Month Growth rate same period previous year 1971-01-01 3.867998486776570 1971-02-01 6.893850416412930 1971-03-01 6.893850416412930 1971-04-01 8.871499934765950 1971-05-01 8.871499934765950 1971-06-01 8.871499934765950 1971-07-01 8.871499934765950 1971-08-01 8.871499934765950 1971-09-01 8.871499934765950 1971-10-01 8.871499934765950 1971-11-01 8.871499934765950 1971-12-01 8.871499934765950 1972-01-01 8.871499934765950 1972-02-01 5.789666537646270 1972-03-01 5.789666537646270 1972-04-01 7.525112581828000 1972-05-01 7.525112581828000 1972-06-01 7.525112581828000 1972-07-01 7.525112581828000 1972-08-01 7.525112581828000 1972-09-01 7.525112581828000 1972-10-01 8.893314833063180 1972-11-01 8.893314833063180 1972-12-01 8.893314833063180 1973-01-01 8.893314833063180 1973-02-01 8.893314833063180 1973-03-01 10.322133714007300 1973-04-01 11.508415842339100 1973-05-01 12.780864933589400 1973-06-01 12.780864933589400 1973-07-01 12.780864933589400 1973-08-01 12.780864933589400 1973-09-01 12.780864933589400 1973-10-01 11.363817123676100 1973-11-01 11.363817123676100 1973-12-01 11.363817123676100 1974-01-01 12.819085466523800 1974-02-01 12.819085466523800 1974-03-01 11.357927727648900 1974-04-01 17.297414415298000 1974-05-01 16.538131916735400 1974-06-01 16.538131916735400 1974-07-01 16.538131916735400 1974-08-01 16.538131916735400 1974-09-01 17.102256493192300 1974-10-01 23.664667212622900 1974-11-01 23.664667212622900 1974-12-01 23.664667212622900 1975-01-01 24.853739349367300 1975-02-01 24.853739349367300 1975-03-01 24.853739349367300 1975-04-01 29.006834566178900 1975-05-01 28.382352968444500 1975-06-01 28.382352968444500 1975-07-01 28.382352968444500 1975-08-01 28.382352968444500 1975-09-01 27.763888024542500 1975-10-01 20.983947341187700 1975-11-01 20.983947341187700 1975-12-01 20.983947341187700 1976-01-01 19.178004894570900 1976-02-01 19.178004894570900 1976-03-01 19.110258022770300 1976-04-01 18.041237117001400 1976-05-01 18.795341718004900 1976-06-01 18.795341718004900 1976-07-01 18.795341718004900 1976-08-01 18.795341718004900 1976-09-01 18.795341718004900 1976-10-01 19.172394055257300 1976-11-01 19.172394055257300 1976-12-01 19.172394055257300 1977-01-01 19.000473672922700 1977-02-01 19.000473672922700 1977-03-01 19.068158102189800 1977-04-01 14.030405962493400 1977-05-01 13.941341917243500 1977-06-01 13.941341917243500 1977-07-01 13.941341917243500 1977-08-01 13.941341917243500 1977-09-01 13.941341917243500 1977-10-01 13.580840228742900 1977-11-01 13.580840228742900 1977-12-01 13.580840228742900 1978-01-01 12.893595012794800 1978-02-01 13.355360067994100 1978-03-01 13.355360067994100 1978-04-01 12.456563356548600 1978-05-01 12.108603668226300 1978-06-01 12.108603668226300 1978-07-01 12.108603668226300 1978-08-01 12.108603668226300 1978-09-01 12.108603668226300 1978-10-01 12.108603668226300 1978-11-01 12.108603668226300 1978-12-01 12.323695348769100 1979-01-01 12.323695348769100 1979-02-01 11.866132888980600 1979-03-01 11.866132888980600 1979-04-01 8.412423131296360 1979-05-01 8.639994973770160 1979-06-01 8.639994973770160 1979-07-01 8.639994973770160 1979-08-01 8.639994973770160 1979-09-01 8.639994973770160 1979-10-01 8.639994973770160 1979-11-01 8.639994973770160 1979-12-01 8.431957310652760 1980-01-01 9.175953548922220 1980-02-01 9.175953548922220 1980-03-01 9.348610899103280 1980-04-01 10.039845288517600 1980-05-01 9.536492867854310 1980-06-01 9.536492867854310 1980-07-01 9.536492867854310 1980-08-01 9.536492867854310 1980-09-01 9.536492867854310 1980-10-01 9.536492867854310 1980-11-01 9.409108014496060 1980-12-01 9.409108014496060 1981-01-01 8.663522909450690 1981-02-01 8.663522909450690 1981-03-01 8.718743710398370 1981-04-01 6.729218963424290 1981-05-01 7.146821721950290 1981-06-01 7.146821721950290 1981-07-01 7.146821721950290 1981-08-01 7.146821721950290 1981-09-01 7.146821721950290 1981-10-01 7.146821721950290 1981-11-01 7.271572598916080 1981-12-01 7.271572598916080 1982-01-01 7.271572598916080 1982-02-01 7.271572598916080 1982-03-01 7.047795096378860 1982-04-01 6.064733413569310 1982-05-01 5.846222160172430 1982-06-01 6.041096227113090 1982-07-01 6.041096227113090 1982-08-01 6.041096227113090 1982-09-01 6.041096227113090 1982-10-01 6.041096227113090 1982-11-01 6.041096227113090 1982-12-01 6.041096227113090 1983-01-01 6.041096227113090 1983-02-01 6.041096227113090 1983-03-01 6.041096227113090 1983-04-01 4.795703950559630 1983-05-01 4.786874534600220 1983-06-01 4.594305378592790 1983-07-01 4.594305378592790 1983-08-01 4.594305378592790 1983-09-01 4.594305378592790 1983-10-01 4.594305378592790 1983-11-01 4.594305378592790 1983-12-01 4.740857919530680 1984-01-01 4.740857919530680 1984-02-01 4.740857919530680 1984-03-01 4.740857919530680 1984-04-01 4.540593535629160 1984-05-01 4.356915696500770 1984-06-01 4.356915696500770 1984-07-01 4.356915696500770 1984-08-01 4.356915696500770 1984-09-01 4.356915696500770 1984-10-01 4.532615712079670 1984-11-01 4.532615712079670 1984-12-01 4.386354541913780 1985-01-01 4.386354541913780 1985-02-01 4.368587030477350 1985-03-01 4.368587030477350 1985-04-01 4.528792464341830 1985-05-01 4.528792464341830 1985-06-01 4.528792464341830 1985-07-01 4.528792464341830 1985-08-01 4.528792464341830 1985-09-01 4.697156979914420 1985-10-01 4.521180400861770 1985-11-01 4.521180400861770 1985-12-01 4.521180400861770 1986-01-01 4.521180400861770 1986-02-01 4.538973889505810 1986-03-01 4.538973889505810 1986-04-01 3.382469868559460 1986-05-01 3.543539858562470 1986-06-01 3.543539858562470 1986-07-01 3.543539858562470 1986-08-01 3.543539858562470 1986-09-01 3.377030485893420 1986-10-01 3.377030485893420 1986-11-01 3.377030485893420 1986-12-01 3.377030485893420 1987-01-01 3.377030485893420 1987-02-01 3.377030485893420 1987-03-01 3.484916332288390 1987-04-01 3.376326283182730 1987-05-01 3.371074146338470 1987-06-01 3.371074146338470 1987-07-01 3.371074146338470 1987-08-01 3.371074146338470 1987-09-01 3.371074146338470 1987-10-01 3.526631885839190 1987-11-01 3.526631885839190 1987-12-01 3.526631885839190 1988-01-01 3.526631885839190 1988-02-01 3.526631885839190 1988-03-01 3.418702549842420 1988-04-01 3.466366515462660 1988-05-01 3.461150161237040 1988-06-01 3.461150161237040 1988-07-01 3.461150161237040 1988-08-01 3.461150161237040 1988-09-01 3.461150161237040 1988-10-01 3.305690813704390 1988-11-01 3.305690813704390 1988-12-01 3.305690813704390 1989-01-01 3.305690813704390 1989-02-01 3.305690813704390 1989-03-01 3.606208152416360 1989-04-01 4.296118733726830 1989-05-01 4.144419481764200 1989-06-01 4.144419481764200 1989-07-01 4.144419481764200 1989-08-01 4.144419481764200 1989-09-01 4.289870006485970 1989-10-01 4.289870006485970 1989-11-01 4.289870006485970 1989-12-01 4.289870006485970 1990-01-01 4.293552308838830 1990-02-01 4.409544499798630 1990-03-01 4.251725660510980 1990-04-01 5.282418456010360 1990-05-01 5.282418456010360 1990-06-01 5.282418456010360 1990-07-01 5.282418456010360 1990-08-01 5.282418456010360 1990-09-01 5.135583648301310 1990-10-01 5.135583648301310 1990-11-01 5.135583648301310 1990-12-01 5.135583648301310 1991-01-01 5.131871616268010 1991-02-01 5.239027316865780 1991-03-01 5.509966889532190 1991-04-01 4.458213694614050 1991-05-01 4.590868637272840 1991-06-01 4.590868637272840 1991-07-01 4.590868637272840 1991-08-01 4.590868637272840 1991-09-01 4.590868637272840 1991-10-01 4.590868637272840 1991-11-01 4.590868637272840 1991-12-01 4.590868637272840 1992-01-01 4.590868637272840 1992-02-01 4.368297579561100 1992-03-01 4.087320793322230 1992-04-01 4.571759254896920 1992-05-01 4.439128549096060 1992-06-01 4.439128549096060 1992-07-01 4.439128549096060 1992-08-01 4.439128549096060 1992-09-01 4.439128549096060 1992-10-01 4.439128549096060 1992-11-01 4.439128549096060 1992-12-01 4.439128549096060 1993-01-01 4.692793043620310 1993-02-01 4.692793043620310 1993-03-01 4.686848608494080 1993-04-01 3.886121880024090 1993-05-01 4.121318327951360 1993-06-01 4.121318327951360 1993-07-01 4.121318327951360 1993-08-01 4.121318327951360 1993-09-01 4.121318327951360 1993-10-01 4.121318327951360 1993-11-01 4.121318327951360 1993-12-01 4.121318327951360 1994-01-01 3.869038483130960 1994-02-01 3.869038483130960 1994-03-01 3.743356456564210 1994-04-01 3.265759093082710 1994-05-01 3.032495241632930 1994-06-01 3.032495241632930 1994-07-01 3.032495241632930 1994-08-01 3.032495241632930 1994-09-01 3.149129682310930 1994-10-01 3.149129682310930 1994-11-01 3.149129682310930 1994-12-01 3.149129682310930 1995-01-01 3.047259101790540 1995-02-01 3.047259101790540 1995-03-01 3.163893531100400 1995-04-01 3.050711456228190 1995-05-01 3.050711456228190 1995-06-01 3.050711456228190 1995-07-01 2.937509848905690 1995-08-01 2.937509848905690 1995-09-01 2.934188300587570 1995-10-01 2.934188300587570 1995-11-01 2.934188300587570 1995-12-01 2.934188300587570 1996-01-01 3.035947101442410 1996-02-01 3.035947101442410 1996-03-01 3.258629575463830 1996-04-01 2.076033150840520 1996-05-01 2.076033150840520 1996-06-01 2.076033150840520 1996-07-01 2.188287381963280 1996-08-01 2.188287381963280 1996-09-01 2.185883529056490 1996-10-01 2.185883529056490 1996-11-01 2.185883529056490 1996-12-01 2.185883529056490 1997-01-01 2.185883529056490 1997-02-01 2.185883529056490 1997-03-01 1.850234913352930 1997-04-01 2.095110945853140 1997-05-01 2.202727185955840 1997-06-01 2.202727185955840 1997-07-01 2.202727185955840 1997-08-01 2.202727185955840 1997-09-01 2.200359242301340 1997-10-01 2.200359242301340 1997-11-01 2.200359242301340 1997-12-01 2.200359242301340 1998-01-01 2.189473111640660 1998-02-01 2.189473111640660 1998-03-01 2.296973653224510 1998-04-01 1.973394531411840 1998-05-01 1.866019771342930 1998-06-01 1.866019771342930 1998-07-01 1.866019771342930 1998-08-01 1.866019771342930 1998-09-01 1.758870908309600 1998-10-01 1.758870908309600 1998-11-01 1.758870908309600 1998-12-01 1.758870908309600 1999-01-01 1.769711167397540 1999-02-01 1.769711167397540 1999-03-01 1.662764708703530 1999-04-01 1.338549729865290 1999-05-01 1.338549729865290 1999-06-01 1.338549729865290 1999-07-01 1.338549729865290 1999-08-01 1.338549729865290 1999-09-01 1.338549729865290 1999-10-01 1.338549729865290 1999-11-01 1.338549729865290 1999-12-01 1.338549729865290 2000-01-01 1.338549729865290 2000-02-01 1.338549729865290 2000-03-01 1.441917691035070 2000-04-01 1.012279029901510 2000-05-01 1.114281635469980 2000-06-01 1.114281635469980 2000-07-01 1.114281635469980 2000-08-01 1.114281635469980 2000-09-01 1.114281635469980 2000-10-01 1.114281635469980 2000-11-01 1.114281635469980 2000-12-01 1.114281635469980 2001-01-01 1.093622900047560 2001-02-01 1.093622900047560 2001-03-01 0.990609846624496 2001-04-01 1.077550399461560 2001-05-01 0.975584847825707 2001-06-01 0.975584847825707 2001-07-01 0.975584847825707 2001-08-01 0.975584847825707 2001-09-01 0.975584847825707 2001-10-01 0.975584847825707 2001-11-01 0.975584847825707 2001-12-01 0.975584847825707 2002-01-01 0.996219461876062 2002-02-01 0.996219461876062 2002-03-01 0.996219461876062 2002-04-01 1.098942761352410 2002-05-01 1.098942761352410 2002-06-01 1.063533823117130 2002-07-01 1.063533823117130 2002-08-01 1.063533823117130 2002-09-01 1.063533823117130 2002-10-01 1.063533823117130 2002-11-01 1.063533823117130 2002-12-01 1.063533823117130 2003-01-01 1.063533823117130 2003-02-01 1.063533823117130 2003-03-01 1.063533823117130 2003-04-01 0.390268304552076 2003-05-01 0.390268304552076 2003-06-01 0.425441355358319 2003-07-01 0.425441355358319 2003-08-01 0.425441355358319 2003-09-01 0.425441355358319 2003-10-01 0.425441355358319 2003-11-01 0.425441355358319 2003-12-01 0.425441355358319 2004-01-01 0.425441355358319 2004-02-01 0.425441355358319 2004-03-01 0.425441355358319 2004-04-01 0.689036453092544 2004-05-01 0.787470328047541 2004-06-01 0.787470328047541 2004-07-01 0.787470328047541 2004-08-01 0.787470328047541 2004-09-01 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0.739087495165790 2007-08-01 0.642119129466540 2007-09-01 0.642119129466540 2007-10-01 0.642119129466540 2007-11-01 0.642119129466540 2007-12-01 0.642119129466540 2008-01-01 0.642119129466540 2008-02-01 0.673363757407685 2008-03-01 0.673363757407685 2008-04-01 0.669499613618484 2008-05-01 0.669499613618484 2008-06-01 0.669499613618484 2008-07-01 0.669499613618484 2008-08-01 0.669499613618484 2008-09-01 0.573856811672987 2008-10-01 0.669499613618484 2008-11-01 0.669499613618484 2008-12-01 0.669499613618484 2009-01-01 0.669499613618484 2009-02-01 0.896248036745866 2009-03-01 0.705145208953968 2009-04-01 0.701125596430514 2009-05-01 0.796132328670751 2009-06-01 0.796132328670751 2009-07-01 0.796132328670751 2009-08-01 0.796132328670751 2009-09-01 0.796889427275174 2009-10-01 0.701125596430514 2009-11-01 0.701125596430514 2009-12-01 0.701125596430514 2010-01-01 -3.099143785780340 2010-02-01 -3.314592608312370 2010-03-01 -3.131117824373330 2010-04-01 -11.989012918870300 2010-05-01 -12.071968842779700 2010-06-01 -12.071968842779700 2010-07-01 -12.071968842779700 2010-08-01 -12.071968842779700 2010-09-01 -11.989012918870300 2010-10-01 -11.989012918870300 2010-11-01 -11.989012918870300 2010-12-01 -11.989012918870300 2011-01-01 -8.537387488820780 2011-02-01 -8.529025180753780 2011-03-01 -8.529025180753780 2011-04-01 0.214394262915894 2011-05-01 0.214394262915894 2011-06-01 0.214394262915894 2011-07-01 0.214394262915894 2011-08-01 0.214394262915894 2011-09-01 0.214394262915894 2011-10-01 0.214394262915894 2011-11-01 0.214394262915894 2011-12-01 0.214394262915894 2012-01-01 0.214394262915894 2012-02-01 0.214164694954647 2012-03-01 0.214164694954647 2012-04-01 0.258618357175696 2012-05-01 0.258618357175696 2012-06-01 0.258618357175696 2012-07-01 0.258618357175696 2012-08-01 0.258618357175696 2012-09-01 0.258618357175696 2012-10-01 0.258618357175696 2012-11-01 0.258618357175696 2012-12-01 0.258618357175696 2013-01-01 0.365586155810197 2013-02-01 0.365195514169903 2013-03-01 0.365195514169903 2013-04-01 0.436221217378414 2013-05-01 0.436221217378414 2013-06-01 0.436221217378414 2013-07-01 0.436221217378414 2013-08-01 0.436221217378414 2013-09-01 0.649604975503661 2013-10-01 0.649604975503661 2013-11-01 0.649604975503661 2013-12-01 0.649604975503661 2014-01-01 0.542334474826786 2014-02-01 0.541757069646381 2014-03-01 0.754686460635899 2014-04-01 2.293997422859440 2014-05-01 2.293997422859440 2014-06-01 2.293997422859440 2014-07-01 2.293997422859440 2014-08-01 2.293997422859440 2014-09-01 2.183130716326920 2014-10-01 2.183130716326920 2014-11-01 2.183130716326920 2014-12-01 2.183130716326920 2015-01-01 2.183130716326920 2015-02-01 2.286710010579910 2015-03-01 2.070542925613760 2015-04-01 1.518258537699660 2015-05-01 1.518258537699660 2015-06-01 1.518258537699660 2015-07-01 1.518258537699660 2015-08-01 1.518258537699660 2015-09-01 1.412944994944370 2015-10-01 1.412944994944370 2015-11-01 1.412944994944370 2015-12-01 1.412944994944370 2016-01-01 1.516683518705750 2016-02-01 1.824114460867370 2016-03-01 1.824114460867370 2016-04-01 1.534397661460470 2016-05-01 1.534397661460470 2016-06-01 1.534397661460470 2016-07-01 1.534397661460470 2016-08-01 1.534397661460470 2016-09-01 1.636690838891200 2016-10-01 1.636690838891200 2016-11-01 1.636690838891200 2016-12-01 1.636690838891200 2017-01-01 1.532829681274920 2017-02-01 1.006396134126920 2017-03-01 1.006396134126920 2017-04-01 0.689927816707710 2017-05-01 0.689927816707710 2017-06-01 0.387685877660320 2017-07-01 0.387685877660320 2017-08-01 0.387685877660320 2017-09-01 0.387295687661553 2017-10-01 0.387295687661553 2017-11-01 0.387295687661553 2017-12-01 0.387295687661553 2018-01-01 0.387295687661553 2018-02-01 0.397528185114942 2018-03-01 0.397528185114942 2018-04-01 0.300170975986398 2018-05-01 0.300170975986398 2018-06-01 0.602149429793081 2018-07-01 0.501791191494231 2018-08-01 0.501791191494231 2018-09-01 0.501288107580661