Month	Index source base
1961-01-01	15.4
1961-02-01	15.4
1961-03-01	15.4
1961-04-01	15.4
1961-05-01	15.2
1961-06-01	15.3
1961-07-01	15.5
1961-08-01	15.5
1961-09-01	15.2
1961-10-01	15.3
1961-11-01	15.3
1961-12-01	15.4
1962-01-01	15.5
1962-02-01	15.5
1962-03-01	15.4
1962-04-01	15.6
1962-05-01	15.4
1962-06-01	15.6
1962-07-01	15.8
1962-08-01	15.9
1962-09-01	15.7
1962-10-01	15.8
1962-11-01	15.8
1962-12-01	15.8
1963-01-01	16.0
1963-02-01	16.1
1963-03-01	16.0
1963-04-01	16.0
1963-05-01	15.9
1963-06-01	16.1
1963-07-01	16.4
1963-08-01	16.5
1963-09-01	16.3
1963-10-01	16.1
1963-11-01	16.2
1963-12-01	16.2
1964-01-01	16.2
1964-02-01	16.2
1964-03-01	16.2
1964-04-01	16.2
1964-05-01	16.2
1964-06-01	16.4
1964-07-01	16.8
1964-08-01	16.7
1964-09-01	16.4
1964-10-01	16.1
1964-11-01	16.2
1964-12-01	16.4
1965-01-01	16.3
1965-02-01	16.4
1965-03-01	16.4
1965-04-01	16.4
1965-05-01	16.6
1965-06-01	17.0
1965-07-01	17.3
1965-08-01	17.0
1965-09-01	16.8
1965-10-01	16.7
1965-11-01	17.0
1965-12-01	17.3
1966-01-01	17.3
1966-02-01	17.5
1966-03-01	17.8
1966-04-01	17.8
1966-05-01	17.8
1966-06-01	17.9
1966-07-01	17.9
1966-08-01	18.4
1966-09-01	18.1
1966-10-01	17.9
1966-11-01	17.8
1966-12-01	17.8
1967-01-01	17.8
1967-02-01	17.6
1967-03-01	17.5
1967-04-01	17.5
1967-05-01	17.5
1967-06-01	17.7
1967-07-01	18.2
1967-08-01	18.5
1967-09-01	18.1
1967-10-01	17.9
1967-11-01	18.0
1967-12-01	18.1
1968-01-01	18.4
1968-02-01	18.3
1968-03-01	18.1
1968-04-01	18.3
1968-05-01	18.1
1968-06-01	18.2
1968-07-01	18.5
1968-08-01	18.8
1968-09-01	18.7
1968-10-01	18.5
1968-11-01	18.7
1968-12-01	18.9
1969-01-01	18.9
1969-02-01	18.7
1969-03-01	18.7
1969-04-01	18.9
1969-05-01	18.9
1969-06-01	19.4
1969-07-01	19.4
1969-08-01	19.8
1969-09-01	19.4
1969-10-01	19.2
1969-11-01	19.4
1969-12-01	19.5
1970-01-01	19.5
1970-02-01	19.8
1970-03-01	19.6
1970-04-01	19.9
1970-05-01	19.5
1970-06-01	19.7
1970-07-01	19.8
1970-08-01	19.9
1970-09-01	19.4
1970-10-01	19.2
1970-11-01	18.9
1970-12-01	18.7
1971-01-01	18.8
1971-02-01	18.9
1971-03-01	19.0
1971-04-01	19.3
1971-05-01	19.4
1971-06-01	19.4
1971-07-01	19.9
1971-08-01	20.4
1971-09-01	20.0
1971-10-01	19.9
1971-11-01	19.9
1971-12-01	20.2
1972-01-01	20.4
1972-02-01	20.6
1972-03-01	20.4
1972-04-01	20.6
1972-05-01	20.4
1972-06-01	20.4
1972-07-01	21.3
1972-08-01	21.9
1972-09-01	21.9
1972-10-01	21.7
1972-11-01	21.7
1972-12-01	21.9
1973-01-01	22.4
1973-02-01	22.8
1973-03-01	22.8
1973-04-01	23.4
1973-05-01	23.6
1973-06-01	24.1
1973-07-01	24.6
1973-08-01	25.4
1973-09-01	25.5
1973-10-01	25.4
1973-11-01	25.6
1973-12-01	25.6
1974-01-01	26.0
1974-02-01	26.6
1974-03-01	27.0
1974-04-01	27.0
1974-05-01	27.8
1974-06-01	28.1
1974-07-01	28.4
1974-08-01	28.8
1974-09-01	28.8
1974-10-01	29.2
1974-11-01	29.5
1974-12-01	30.0
1975-01-01	30.0
1975-02-01	30.3
1975-03-01	30.2
1975-04-01	30.3
1975-05-01	30.6
1975-06-01	31.8
1975-07-01	32.6
1975-08-01	32.9
1975-09-01	32.6
1975-10-01	32.7
1975-11-01	32.9
1975-12-01	32.6
1976-01-01	32.5
1976-02-01	32.3
1976-03-01	32.0
1976-04-01	31.8
1976-05-01	32.3
1976-06-01	32.4
1976-07-01	32.5
1976-08-01	32.2
1976-09-01	32.0
1976-10-01	32.0
1976-11-01	31.7
1976-12-01	31.8
1977-01-01	32.3
1977-02-01	33.0
1977-03-01	33.3
1977-04-01	33.8
1977-05-01	34.3
1977-06-01	34.8
1977-07-01	35.5
1977-08-01	35.8
1977-09-01	35.9
1977-10-01	36.5
1977-11-01	36.8
1977-12-01	37.5
1978-01-01	37.8
1978-02-01	38.1
1978-03-01	38.7
1978-04-01	39.5
1978-05-01	41.0
1978-06-01	41.9
1978-07-01	43.8
1978-08-01	43.0
1978-09-01	41.7
1978-10-01	42.2
1978-11-01	42.3
1978-12-01	42.6
1979-01-01	43.6
1979-02-01	44.7
1979-03-01	46.0
1979-04-01	46.5
1979-05-01	46.6
1979-06-01	46.6
1979-07-01	47.6
1979-08-01	47.1
1979-09-01	47.1
1979-10-01	47.5
1979-11-01	47.5
1979-12-01	48.2
1980-01-01	48.3
1980-02-01	49.1
1980-03-01	49.6
1980-04-01	49.6
1980-05-01	50.2
1980-06-01	51.6
1980-07-01	52.0
1980-08-01	52.9
1980-09-01	53.8
1980-10-01	54.1
1980-11-01	54.7
1980-12-01	55.4
1981-01-01	55.7
1981-02-01	56.7
1981-03-01	57.1
1981-04-01	57.6
1981-05-01	57.2
1981-06-01	58.4
1981-07-01	59.2
1981-08-01	59.2
1981-09-01	59.0
1981-10-01	58.9
1981-11-01	58.6
1981-12-01	57.9
1982-01-01	58.5
1982-02-01	59.7
1982-03-01	60.2
1982-04-01	60.7
1982-05-01	62.2
1982-06-01	63.6
1982-07-01	63.9
1982-08-01	63.0
1982-09-01	62.3
1982-10-01	61.9
1982-11-01	62.2
1982-12-01	61.7
1983-01-01	61.7
1983-02-01	62.2
1983-03-01	62.0
1983-04-01	62.7
1983-05-01	64.1
1983-06-01	64.2
1983-07-01	64.5
1983-08-01	64.5
1983-09-01	63.5
1983-10-01	64.3
1983-11-01	63.8
1983-12-01	64.0
1984-01-01	65.5
1984-02-01	66.5
1984-03-01	67.2
1984-04-01	67.3
1984-05-01	67.1
1984-06-01	68.1
1984-07-01	68.8
1984-08-01	68.1
1984-09-01	67.3
1984-10-01	67.3
1984-11-01	67.3
1984-12-01	67.2
1985-01-01	68.1
1985-02-01	69.0
1985-03-01	68.8
1985-04-01	69.8
1985-05-01	69.1
1985-06-01	69.5
1985-07-01	70.0
1985-08-01	69.3
1985-09-01	68.2
1985-10-01	67.9
1985-11-01	68.3
1985-12-01	69.5
1986-01-01	70.8
1986-02-01	70.3
1986-03-01	70.3
1986-04-01	71.1
1986-05-01	71.9
1986-06-01	72.0
1986-07-01	72.9
1986-08-01	73.3
1986-09-01	73.8
1986-10-01	74.0
1986-11-01	74.5
1986-12-01	74.3
1987-01-01	75.2
1987-02-01	75.2
1987-03-01	75.0
1987-04-01	75.0
1987-05-01	75.8
1987-06-01	77.1
1987-07-01	77.2
1987-08-01	76.0
1987-09-01	75.4
1987-10-01	75.5
1987-11-01	75.8
1987-12-01	75.5
1988-01-01	76.5
1988-02-01	76.2
1988-03-01	75.8
1988-04-01	76.3
1988-05-01	76.8
1988-06-01	77.6
1988-07-01	78.3
1988-08-01	78.5
1988-09-01	78.2
1988-10-01	78.1
1988-11-01	77.5
1988-12-01	77.0
1989-01-01	78.2
1989-02-01	78.9
1989-03-01	78.8
1989-04-01	79.2
1989-05-01	79.8
1989-06-01	80.4
1989-07-01	81.1
1989-08-01	80.4
1989-09-01	79.8
1989-10-01	80.0
1989-11-01	79.9
1989-12-01	79.2
1990-01-01	81.8
1990-02-01	82.7
1990-03-01	82.9
1990-04-01	81.9
1990-05-01	82.0
1990-06-01	83.6
1990-07-01	84.1
1990-08-01	82.9
1990-09-01	82.6
1990-10-01	83.0
1990-11-01	83.1
1990-12-01	82.4
1991-01-01	84.8
1991-02-01	84.7
1991-03-01	84.9
1991-04-01	85.4
1991-05-01	85.4
1991-06-01	87.7
1991-07-01	86.9
1991-08-01	85.4
1991-09-01	83.7
1991-10-01	82.5
1991-11-01	82.7
1991-12-01	81.7
1992-01-01	82.6
1992-02-01	82.7
1992-03-01	83.3
1992-04-01	83.7
1992-05-01	83.4
1992-06-01	84.3
1992-07-01	84.1
1992-08-01	83.9
1992-09-01	83.3
1992-10-01	83.0
1992-11-01	83.3
1992-12-01	83.7
1993-01-01	84.6
1993-02-01	85.2
1993-03-01	84.7
1993-04-01	84.4
1993-05-01	85.5
1993-06-01	85.6
1993-07-01	85.5
1993-08-01	84.9
1993-09-01	84.4
1993-10-01	84.4
1993-11-01	84.9
1993-12-01	85.4
1994-01-01	85.8
1994-02-01	85.2
1994-03-01	84.3
1994-04-01	84.8
1994-05-01	84.8
1994-06-01	85.2
1994-07-01	85.8
1994-08-01	85.4
1994-09-01	84.4
1994-10-01	84.7
1994-11-01	84.9
1994-12-01	85.2
1995-01-01	87.0
1995-02-01	87.6
1995-03-01	87.4
1995-04-01	88.8
1995-05-01	87.9
1995-06-01	88.1
1995-07-01	88.0
1995-08-01	86.8
1995-09-01	86.4
1995-10-01	86.4
1995-11-01	86.4
1995-12-01	86.9
1996-01-01	87.4
1996-02-01	87.4
1996-03-01	87.7
1996-04-01	88.8
1996-05-01	88.2
1996-06-01	88.9
1996-07-01	88.6
1996-08-01	88.2
1996-09-01	87.8
1996-10-01	88.5
1996-11-01	89.3
1996-12-01	89.0
1997-01-01	89.6
1997-02-01	89.8
1997-03-01	89.7
1997-04-01	89.4
1997-05-01	89.8
1997-06-01	90.1
1997-07-01	90.6
1997-08-01	89.8
1997-09-01	88.7
1997-10-01	88.9
1997-11-01	89.9
1997-12-01	89.8
1998-01-01	91.8
1998-02-01	90.8
1998-03-01	91.1
1998-04-01	90.8
1998-05-01	91.3
1998-06-01	92.2
1998-07-01	91.7
1998-08-01	90.9
1998-09-01	89.8
1998-10-01	89.9
1998-11-01	91.4
1998-12-01	91.3
1999-01-01	92.8
1999-02-01	92.1
1999-03-01	92.2
1999-04-01	92.4
1999-05-01	92.6
1999-06-01	93.0
1999-07-01	92.7
1999-08-01	91.6
1999-09-01	90.8
1999-10-01	90.9
1999-11-01	91.5
1999-12-01	91.9
2000-01-01	91.7
2000-02-01	91.4
2000-03-01	91.9
2000-04-01	92.1
2000-05-01	93.0
2000-06-01	93.8
2000-07-01	94.4
2000-08-01	93.9
2000-09-01	92.8
2000-10-01	92.5
2000-11-01	93.6
2000-12-01	95.2
2001-01-01	95.3
2001-02-01	96.3
2001-03-01	97.3
2001-04-01	97.7
2001-05-01	98.7
2001-06-01	98.8
2001-07-01	99.1
2001-08-01	97.9
2001-09-01	96.9
2001-10-01	96.6
2001-11-01	97.2
2001-12-01	98.6
2002-01-01	100.0
2002-02-01	100.7
2002-03-01	100.4
2002-04-01	100.9
2002-05-01	100.3
2002-06-01	100.7
2002-07-01	100.6
2002-08-01	99.7
2002-09-01	98.4
2002-10-01	97.7
2002-11-01	99.9
2002-12-01	100.7
2003-01-01	101.8
2003-02-01	101.5
2003-03-01	101.7
2003-04-01	101.7
2003-05-01	102.1
2003-06-01	102.4
2003-07-01	102.3
2003-08-01	101.0
2003-09-01	100.0
2003-10-01	99.6
2003-11-01	101.0
2003-12-01	102.2
2004-01-01	102.2
2004-02-01	101.9
2004-03-01	102.1
2004-04-01	101.7
2004-05-01	102.8
2004-06-01	104.2
2004-07-01	104.0
2004-08-01	103.6
2004-09-01	102.8
2004-10-01	103.4
2004-11-01	104.8
2004-12-01	105.4
2005-01-01	104.8
2005-02-01	104.4
2005-03-01	105.0
2005-04-01	106.2
2005-05-01	106.4
2005-06-01	106.7
2005-07-01	106.3
2005-08-01	106.0
2005-09-01	104.5
2005-10-01	104.9
2005-11-01	105.6
2005-12-01	106.5
2006-01-01	107.8
2006-02-01	107.4
2006-03-01	107.2
2006-04-01	106.9
2006-05-01	107.7
2006-06-01	108.2
2006-07-01	108.5
2006-08-01	108.4
2006-09-01	107.8
2006-10-01	108.2
2006-11-01	109.1
2006-12-01	108.9
2007-01-01	110.2
2007-02-01	112.5
2007-03-01	111.9
2007-04-01	111.7
2007-05-01	112.0
2007-06-01	111.9
2007-07-01	111.4
2007-08-01	110.6
2007-09-01	109.2
2007-10-01	108.9
2007-11-01	109.8
2007-12-01	110.1
2008-01-01	111.4
2008-02-01	111.8
2008-03-01	111.6
2008-04-01	112.7
2008-05-01	114.1
2008-06-01	115.3
2008-07-01	116.2
2008-08-01	116.4
2008-09-01	116.5
2008-10-01	116.8
2008-11-01	119.7
2008-12-01	120.0
2009-01-01	121.0
2009-02-01	121.8
2009-03-01	122.2
2009-04-01	122.1
2009-05-01	122.5
2009-06-01	122.7
2009-07-01	122.7
2009-08-01	121.5
2009-09-01	119.7
2009-10-01	119.3
2009-11-01	121.2
2009-12-01	121.5
2010-01-01	122.1
2010-02-01	122.5
2010-03-01	123.1
2010-04-01	122.6
2010-05-01	122.8
2010-06-01	122.8
2010-07-01	123.4
2010-08-01	123.0
2010-09-01	122.3
2010-10-01	121.8
2010-11-01	122.4
2010-12-01	123.2
2011-01-01	124.4
2011-02-01	124.9
2011-03-01	127.6
2011-04-01	127.1
2011-05-01	128.0
2011-06-01	128.7
2011-07-01	129.7
2011-08-01	129.2
2011-09-01	128.2
2011-10-01	127.8
2011-11-01	129.4
2011-12-01	129.4
2012-01-01	130.5
2012-02-01	130.8
2012-03-01	130.1
2012-04-01	130.1
2012-05-01	131.2
2012-06-01	131.0
2012-07-01	132.2
2012-08-01	132.1
2012-09-01	130.0
2012-10-01	130.2
2012-11-01	131.3
2012-12-01	131.0
2013-01-01	131.3
2013-02-01	133.1
2013-03-01	132.3
2013-04-01	132.3
2013-05-01	132.9
2013-06-01	132.7
2013-07-01	132.8
2013-08-01	133.0
2013-09-01	131.4
2013-10-01	131.1
2013-11-01	132.7
2013-12-01	132.0
2014-01-01	132.6
2014-02-01	134.4
2014-03-01	134.6
2014-04-01	134.6
2014-05-01	136.2
2014-06-01	137.0
2014-07-01	137.0
2014-08-01	136.0
2014-09-01	135.3
2014-10-01	135.1
2014-11-01	137.1
2014-12-01	137.6
2015-01-01	139.7
2015-02-01	140.2
2015-03-01	140.2
2015-04-01	140.0
2015-05-01	141.8
2015-06-01	141.9
2015-07-01	141.8
2015-08-01	141.4
2015-09-01	140.6
2015-10-01	141.3
2015-11-01	142.2
2015-12-01	143.2
2016-01-01	146.1
2016-02-01	146.4
2016-03-01	145.8
2016-04-01	144.6
2016-05-01	143.8
2016-06-01	143.1
2016-07-01	143.4
2016-08-01	142.0
2016-09-01	139.3
2016-10-01	138.4
2016-11-01	139.4
2016-12-01	139.2
2017-01-01	140.3
2017-02-01	140.4
2017-03-01	140.6
2017-04-01	140.9
2017-05-01	142.1
2017-06-01	142.6
2017-07-01	143.2
2017-08-01	142.4
2017-09-01	140.5
2017-10-01	139.2
2017-11-01	140.7
2017-12-01	141.3
2018-01-01	142.6
2018-02-01	142.3
2018-03-01	141.3
2018-04-01	141.9
2018-05-01	141.4
2018-06-01	142.7
2018-07-01	143.3
2018-08-01	142.8
2018-09-01	141.4