Month Percent per Annum 1973-05-01 15.100 1973-06-01 15.400 1973-07-01 16.200 1973-08-01 16.600 1973-09-01 17.500 1973-10-01 17.800 1973-11-01 18.500 1973-12-01 18.900 1974-01-01 19.300 1974-02-01 20.000 1974-03-01 20.700 1974-04-01 21.400 1974-05-01 21.600 1974-06-01 21.700 1974-07-01 21.500 1974-08-01 21.300 1974-09-01 21.000 1974-10-01 20.900 1974-11-01 21.100 1974-12-01 21.100 1975-01-01 20.900 1975-02-01 20.700 1975-03-01 20.800 1975-04-01 20.600 1975-05-01 20.900 1975-06-01 21.100 1975-07-01 21.500 1975-08-01 21.500 1975-09-01 21.200 1975-10-01 21.200 1975-11-01 21.300 1975-12-01 21.500 1976-01-01 21.400 1976-02-01 21.400 1976-03-01 21.300 1976-04-01 21.700 1976-05-01 21.300 1976-06-01 21.400 1976-07-01 21.400 1976-08-01 21.500 1976-09-01 21.800 1976-10-01 22.200 1976-11-01 22.200 1976-12-01 21.800 1977-01-01 20.900 1977-02-01 21.000 1977-03-01 22.000 1977-04-01 21.700 1977-05-01 22.100 1977-06-01 20.800 1977-07-01 20.300 1977-08-01 19.400 1977-09-01 20.000 1977-10-01 29.200 1977-11-01 19.700 1977-12-01 20.500 1978-01-01 20.400 1978-02-01 21.000 1978-03-01 20.700 1978-04-01 20.200 1978-05-01 20.300 1978-06-01 21.900 1978-07-01 22.100 1978-08-01 22.000 1978-09-01 22.300 1978-10-01 22.500 1978-11-01 23.200 1978-12-01 22.600 1979-01-01 22.900 1979-02-01 23.600 1979-03-01 23.800 1979-04-01 23.400 1979-05-01 23.700 1979-06-01 25.700 1979-07-01 25.900 1979-08-01 24.700 1979-09-01 26.000 1979-10-01 26.500 1979-11-01 28.100 1979-12-01 27.900 1980-01-01 29.000 1980-02-01 29.400 1980-03-01 32.600 1980-04-01 31.000 1980-05-01 30.500 1980-06-01 30.300 1980-07-01 29.400 1980-08-01 27.900 1980-09-01 26.500 1980-10-01 26.100 1980-11-01 25.900 1980-12-01 26.500 1981-01-01 26.100 1981-02-01 24.700 1981-03-01 23.700 1981-04-01 22.700 1981-05-01 22.100 1981-06-01 21.800 1981-07-01 21.600 1981-08-01 21.200 1981-09-01 22.700 1981-10-01 25.600 1981-11-01 26.000 1981-12-01 25.200 1982-01-01 21.300 1982-02-01 20.400 1982-03-01 19.300 1982-04-01 18.300 1982-05-01 16.700 1982-06-01 16.300 1982-07-01 14.500 1982-08-01 15.000 1982-09-01 16.400 1982-10-01 17.500 1982-11-01 17.500 1982-12-01 15.800 1983-01-01 13.700 1983-02-01 13.400 1983-03-01 12.900 1983-04-01 13.000 1983-05-01 13.000 1983-06-01 12.900 1983-07-01 12.800 1983-08-01 13.000 1983-09-01 13.000 1983-10-01 13.000 1983-11-01 13.100 1983-12-01 13.100 1984-01-01 13.900 1984-02-01 13.700 1984-03-01 13.600 1984-04-01 13.200 1984-05-01 14.100 1984-06-01 14.400 1984-07-01 14.400 1984-08-01 14.700 1984-09-01 14.600 1984-10-01 14.800 1984-11-01 15.200 1984-12-01 15.200 1985-01-01 15.000 1985-02-01 15.000 1985-03-01 15.000 1985-04-01 14.800 1985-05-01 14.600 1985-06-01 13.700 1985-07-01 13.100 1985-08-01 12.900 1985-09-01 12.800 1985-10-01 12.300 1985-11-01 11.800 1985-12-01 11.900 1986-01-01 11.000 1986-02-01 11.000 1986-03-01 11.200 1986-04-01 11.500 1986-05-01 12.200 1986-06-01 11.500 1986-07-01 12.200 1986-08-01 11.600 1986-09-01 11.700 1986-10-01 11.100 1986-11-01 11.700 1986-12-01 12.100 1987-01-01 11.700 1987-02-01 11.700 1987-03-01 12.100 1987-04-01 13.000 1987-05-01 12.100 1987-06-01 12.300 1987-07-01 11.800 1987-08-01 12.600 1987-09-01 12.700 1987-10-01 13.400 1987-11-01 13.000 1987-12-01 12.700 1988-01-01 12.800 1988-02-01 12.400 1988-03-01 13.300 1988-04-01 12.300 1988-05-01 12.100 1988-06-01 12.100 1988-07-01 13.150 1988-08-01 14.200 1988-09-01 14.300 1988-10-01 13.500 1988-11-01 13.200 1988-12-01 13.100 1989-01-01 12.300 1989-02-01 12.500 1989-03-01 12.700 1989-04-01 15.800 1989-05-01 15.900 1989-06-01 16.000 1989-07-01 15.900 1989-08-01 15.800 1989-09-01 15.200 1989-10-01 15.100 1989-11-01 14.900 1989-12-01 14.800 1990-01-01 14.700 1990-02-01 14.300 1990-03-01 14.000 1990-04-01 14.300 1990-05-01 14.900 1990-06-01 14.900 1990-07-01 14.700 1990-08-01 14.600 1990-09-01 15.600 1990-10-01 16.300 1990-11-01 16.000 1990-12-01 16.000 1991-01-01 16.000 1991-02-01 16.000 1991-03-01 16.000 1991-04-01 16.300 1991-05-01 16.200 1991-06-01 16.400 1991-07-01 16.400 1991-08-01 16.600 1991-09-01 16.900 1991-10-01 17.000 1991-11-01 16.900 1991-12-01 16.800 1992-01-01 16.700 1992-02-01 16.200 1992-03-01 16.200 1992-04-01 16.200 1992-05-01 16.100 1992-06-01 16.100 1992-07-01 15.700 1992-08-01 14.500 1992-09-01 14.300 1992-10-01 13.400 1992-11-01 12.400 1992-12-01 13.200 1993-01-01 12.800 1993-02-01 12.340 1993-03-01 11.500 1993-04-01 11.100 1993-05-01 11.300 1993-06-01 11.800 1993-07-01 12.200 1993-08-01 12.200 1993-09-01 13.050 1993-10-01 12.390 1993-11-01 12.290 1993-12-01 12.000 1994-01-01 11.900 1994-02-01 11.900 1994-03-01 12.100 1994-04-01 12.100 1994-05-01 12.000 1994-06-01 11.900 1994-07-01 12.000 1994-08-01 12.200 1994-09-01 12.400 1994-10-01 12.700 1994-11-01 12.900 1994-12-01 13.500 1995-01-01 13.900 1995-02-01 14.200 1995-03-01 14.000 1995-04-01 13.500 1995-05-01 13.500 1995-06-01 13.200 1995-07-01 12.800 1995-08-01 12.100 1995-09-01 11.200 1995-10-01 10.800 1995-11-01 10.400 1995-12-01 9.200 1996-01-01 10.000 1996-02-01 10.700 1996-03-01 10.800 1996-04-01 10.300 1996-05-01 10.300 1996-06-01 10.700 1996-07-01 11.050 1996-08-01 11.530 1996-09-01 11.360 1996-10-01 11.260 1996-11-01 11.320 1996-12-01 11.440 1997-01-01 11.260 1997-02-01 11.100 1997-03-01 11.400 1997-04-01 11.460 1997-05-01 11.360 1997-06-01 11.040 1997-07-01 11.170 1997-08-01 11.680 1997-09-01 11.250 1997-10-01 11.250 1997-11-01 12.110 1997-12-01 15.320 1998-01-01 16.580 1998-02-01 15.250 1998-03-01 15.200 1998-04-01 15.200 1998-05-01 15.200 1998-06-01 14.260 1998-07-01 12.240 1998-08-01 11.690 1998-09-01 11.850 1998-10-01 9.780 1998-11-01 8.720 1998-12-01 7.590 1999-01-01 7.530 1999-02-01 8.560 1999-03-01 8.230 1999-04-01 7.280 1999-05-01 8.150 1999-06-01 8.190 1999-07-01 8.370 1999-08-01 9.210 1999-09-01 9.780 1999-10-01 9.310 1999-11-01 9.920 1999-12-01 10.070 2000-01-01 9.910 2000-02-01 8.780 2000-03-01 9.210 2000-04-01 9.100 2000-05-01 9.180 2000-06-01 8.830 2000-07-01 8.060 2000-08-01 8.040 2000-09-01 8.220 2000-10-01 8.130 2000-11-01 7.570 2000-12-01 7.000 2001-01-01 6.480 2001-02-01 6.160 2001-03-01 6.900 2001-04-01 7.580 2001-05-01 7.430 2001-06-01 6.910 2001-07-01 6.600 2001-08-01 6.070 2001-09-01 6.000 2001-10-01 6.210 2001-11-01 6.650 2001-12-01 6.940 2002-01-01 6.980 2002-02-01 6.860 2002-03-01 7.070 2002-04-01 7.140 2002-05-01 6.960 2002-06-01 6.640 2002-07-01 6.390 2002-08-01 6.090 2002-09-01 6.070 2002-10-01 6.000 2002-11-01 5.690 2002-12-01 5.720 2003-01-01 5.320 2003-02-01 5.020 2003-03-01 5.060 2003-04-01 4.950 2003-05-01 4.610 2003-06-01 4.460 2003-07-01 4.860 2003-08-01 5.100 2003-09-01 4.660 2003-10-01 4.680 2003-11-01 5.160 2003-12-01 5.260 2004-01-01 5.280 2004-02-01 5.210 2004-03-01 4.940 2004-04-01 4.950 2004-05-01 4.850 2004-06-01 4.710 2004-07-01 4.590 2004-08-01 4.100 2004-09-01 3.860 2004-10-01 3.780 2004-11-01 3.640 2004-12-01 3.530 2005-01-01 4.000 2005-02-01 4.610 2005-03-01 4.440 2005-04-01 4.240 2005-05-01 3.990 2005-06-01 4.080 2005-07-01 4.500 2005-08-01 4.810 2005-09-01 4.980 2005-10-01 5.220 2005-11-01 5.580 2005-12-01 5.500 2006-01-01 5.460 2006-02-01 5.170 2006-03-01 5.220 2006-04-01 5.250 2006-05-01 5.040 2006-06-01 5.130 2006-07-01 5.070 2006-08-01 4.910 2006-09-01 4.850 2006-10-01 4.790 2006-11-01 4.910 2006-12-01 4.990 2007-01-01 5.120 2007-02-01 5.000 2007-03-01 4.980 2007-04-01 5.110 2007-05-01 5.230 2007-06-01 5.430 2007-07-01 5.540 2007-08-01 5.450 2007-09-01 5.580 2007-10-01 5.640 2007-11-01 5.820 2007-12-01 6.250 2008-01-01 5.800 2008-02-01 5.330 2008-03-01 5.420 2008-04-01 5.300 2008-05-01 5.640 2008-06-01 6.030 2008-07-01 6.290 2008-08-01 6.190 2008-09-01 6.300 2008-10-01 5.850 2008-11-01 6.050 2008-12-01 5.290 2009-01-01 4.570 2009-02-01 5.170 2009-03-01 4.960 2009-04-01 4.770 2009-05-01 4.910 2009-06-01 5.130 2009-07-01 5.130 2009-08-01 5.350 2009-09-01 5.330 2009-10-01 5.350 2009-11-01 5.290 2009-12-01 5.250 2010-01-01 5.270 2010-02-01 5.090 2010-03-01 4.680 2010-04-01 4.630 2010-05-01 4.680 2010-06-01 4.760 2010-07-01 4.820 2010-08-01 4.630 2010-09-01 4.150 2010-10-01 3.870 2010-11-01 4.240 2010-12-01 4.210 2011-01-01 4.500 2011-02-01 4.590 2011-03-01 4.270 2011-04-01 4.290 2011-05-01 4.160 2011-06-01 4.110 2011-07-01 4.150 2011-08-01 3.920 2011-09-01 3.780 2011-10-01 3.880 2011-11-01 3.820 2011-12-01 3.800 2012-01-01 3.780 2012-02-01 3.790 2012-03-01 3.890 2012-04-01 3.850 2012-05-01 3.710 2012-06-01 3.630 2012-07-01 3.330 2012-08-01 3.070 2012-09-01 3.040 2012-10-01 3.010 2012-11-01 3.010 2012-12-01 3.090 2013-01-01 3.000 2013-02-01 2.940 2013-03-01 2.830 2013-04-01 2.760 2013-05-01 2.800 2013-06-01 3.190 2013-07-01 3.340 2013-08-01 3.430 2013-09-01 3.390 2013-10-01 3.310 2013-11-01 3.460 2013-12-01 3.528 2014-01-01 3.493 2014-02-01 3.364 2014-03-01 3.322 2014-04-01 3.327 2014-05-01 3.234 2014-06-01 3.086 2014-07-01 2.885 2014-08-01 2.891 2014-09-01 2.774 2014-10-01 2.537 2014-11-01 2.417 2014-12-01 2.436 2015-01-01 2.260 2015-02-01 2.198 2015-03-01 2.057 2015-04-01 1.951 2015-05-01 2.253 2015-06-01 2.230 2015-07-01 2.240 2015-08-01 2.100 2015-09-01 1.980 2015-10-01 1.910 2015-11-01 2.050 2015-12-01 2.058 2016-01-01 1.915 2016-02-01 1.720 2016-03-01 1.739 2016-04-01 1.689 2016-05-01 1.660 2016-06-01 1.500 2016-07-01 1.340 2016-08-01 1.350 2016-09-01 1.450 2016-10-01 1.570 2016-11-01 1.920 2016-12-01 2.060 2017-01-01 1.990 2017-02-01 2.020 2017-03-01 2.075 2017-04-01 2.031 2017-05-01 2.071 2017-06-01 2.030 2017-07-01 2.096 2017-08-01 2.155 2017-09-01 2.164 2017-10-01 2.380 2017-11-01 2.520 2017-12-01 2.460 2018-01-01 2.600 2018-02-01 2.703 2018-03-01 2.688 2018-04-01 2.612 2018-05-01 2.691 2018-06-01 2.603 2018-07-01 2.490