Month	Index source base
1970-01-01	36.9
1970-02-01	39.2
1970-03-01	39.2
1970-04-01	39.3
1970-05-01	39.3
1970-06-01	39.3
1970-07-01	39.6
1970-08-01	39.5
1970-09-01	39.5
1970-10-01	39.6
1970-11-01	39.7
1970-12-01	39.7
1971-01-01	39.7
1971-02-01	39.7
1971-03-01	39.8
1971-04-01	39.8
1971-05-01	39.9
1971-06-01	39.9
1971-07-01	39.9
1971-08-01	39.9
1971-09-01	40.0
1971-10-01	40.1
1971-11-01	40.1
1971-12-01	40.1
1972-01-01	40.1
1972-02-01	43.6
1972-03-01	43.7
1972-04-01	43.7
1972-05-01	43.9
1972-06-01	44.0
1972-07-01	44.1
1972-08-01	44.1
1972-09-01	44.1
1972-10-01	44.1
1972-11-01	44.1
1972-12-01	44.1
1973-01-01	44.1
1973-02-01	44.1
1973-03-01	44.1
1973-04-01	44.1
1973-05-01	44.2
1973-06-01	44.3
1973-07-01	44.3
1973-08-01	44.4
1973-09-01	44.5
1973-10-01	39.4
1973-11-01	39.5
1973-12-01	39.7
1974-01-01	40.1
1974-02-01	45.2
1974-03-01	45.3
1974-04-01	45.4
1974-05-01	45.5
1974-06-01	45.5
1974-07-01	45.7
1974-08-01	46.0
1974-09-01	46.2
1974-10-01	51.4
1974-11-01	51.4
1974-12-01	51.4
1975-01-01	51.6
1975-02-01	51.7
1975-03-01	51.8
1975-04-01	52.1
1975-05-01	52.3
1975-06-01	52.6
1975-07-01	53.0
1975-08-01	53.1
1975-09-01	53.2
1975-10-01	53.4
1975-11-01	53.4
1975-12-01	53.4
1976-01-01	53.8
1976-02-01	53.8
1976-03-01	53.8
1976-04-01	57.5
1976-05-01	57.6
1976-06-01	57.6
1976-07-01	57.8
1976-08-01	57.9
1976-09-01	58.1
1976-10-01	58.2
1976-11-01	58.3
1976-12-01	58.4
1977-01-01	58.7
1977-02-01	59.0
1977-03-01	59.2
1977-04-01	59.8
1977-05-01	59.8
1977-06-01	60.0
1977-07-01	60.1
1977-08-01	60.1
1977-09-01	60.2
1977-10-01	60.2
1977-11-01	60.2
1977-12-01	60.2
1978-01-01	61.3
1978-02-01	65.6
1978-03-01	65.7
1978-04-01	65.9
1978-05-01	65.9
1978-06-01	66.0
1978-07-01	66.0
1978-08-01	66.1
1978-09-01	66.2
1978-10-01	66.2
1978-11-01	66.2
1978-12-01	66.3
1979-01-01	66.3
1979-02-01	66.4
1979-03-01	66.5
1979-04-01	67.1
1979-05-01	67.1
1979-06-01	67.1
1979-07-01	67.2
1979-08-01	67.3
1979-09-01	67.3
1979-10-01	67.4
1979-11-01	67.4
1979-12-01	67.5
1980-01-01	67.5
1980-02-01	67.5
1980-03-01	67.9
1980-04-01	68.1
1980-05-01	68.2
1980-06-01	68.2
1980-07-01	68.3
1980-08-01	68.4
1980-09-01	68.4
1980-10-01	68.5
1980-11-01	68.7
1980-12-01	68.7
1981-01-01	68.9
1981-02-01	69.0
1981-03-01	68.7
1981-04-01	69.1
1981-05-01	69.3
1981-06-01	70.5
1981-07-01	70.7
1981-08-01	70.7
1981-09-01	70.9
1981-10-01	71.0
1981-11-01	71.1
1981-12-01	71.2
1982-01-01	71.4
1982-02-01	71.6
1982-03-01	71.6
1982-04-01	72.1
1982-05-01	72.1
1982-06-01	72.2
1982-07-01	72.2
1982-08-01	72.2
1982-09-01	72.3
1982-10-01	72.5
1982-11-01	72.6
1982-12-01	72.7
1983-01-01	72.4
1983-02-01	72.6
1983-03-01	72.6
1983-04-01	72.7
1983-05-01	72.8
1983-06-01	73.0
1983-07-01	73.0
1983-08-01	73.1
1983-09-01	73.3
1983-10-01	73.5
1983-11-01	73.9
1983-12-01	74.1
1984-01-01	74.4
1984-02-01	74.5
1984-03-01	74.4
1984-04-01	75.1
1984-05-01	75.1
1984-06-01	75.2
1984-07-01	75.2
1984-08-01	75.2
1984-09-01	75.2
1984-10-01	78.0
1984-11-01	78.0
1984-12-01	78.1
1985-01-01	78.8
1985-02-01	78.8
1985-03-01	80.1
1985-04-01	80.2
1985-05-01	80.3
1985-06-01	80.3
1985-07-01	80.4
1985-08-01	80.4
1985-09-01	80.4
1985-10-01	80.5
1985-11-01	80.5
1985-12-01	80.6
1986-01-01	80.7
1986-02-01	80.7
1986-03-01	80.7
1986-04-01	81.8
1986-05-01	81.8
1986-06-01	81.8
1986-07-01	81.9
1986-08-01	82.0
1986-09-01	82.0
1986-10-01	82.1
1986-11-01	82.2
1986-12-01	82.2
1987-01-01	82.9
1987-02-01	83.0
1987-03-01	83.0
1987-04-01	83.1
1987-05-01	83.2
1987-06-01	83.2
1987-07-01	83.2
1987-08-01	83.2
1987-09-01	83.2
1987-10-01	83.2
1987-11-01	83.2
1987-12-01	83.2
1988-01-01	83.3
1988-02-01	83.3
1988-03-01	83.3
1988-04-01	83.2
1988-05-01	83.3
1988-06-01	83.5
1988-07-01	83.5
1988-08-01	83.6
1988-09-01	83.6
1988-10-01	83.6
1988-11-01	83.6
1988-12-01	83.6
1989-01-01	83.6
1989-02-01	83.6
1989-03-01	83.6
1989-04-01	85.2
1989-05-01	85.2
1989-06-01	85.2
1989-07-01	85.2
1989-08-01	85.2
1989-09-01	85.2
1989-10-01	85.2
1989-11-01	85.2
1989-12-01	85.2
1990-01-01	84.7
1990-02-01	84.7
1990-03-01	84.7
1990-04-01	85.3
1990-05-01	85.3
1990-06-01	85.3
1990-07-01	85.3
1990-08-01	85.3
1990-09-01	85.3
1990-10-01	85.4
1990-11-01	85.5
1990-12-01	85.5
1991-01-01	85.4
1991-02-01	85.4
1991-03-01	85.5
1991-04-01	85.7
1991-05-01	85.6
1991-06-01	85.6
1991-07-01	85.8
1991-08-01	85.8
1991-09-01	85.8
1991-10-01	85.6
1991-11-01	85.6
1991-12-01	85.6
1992-01-01	86.3
1992-02-01	86.2
1992-03-01	86.3
1992-04-01	88.2
1992-05-01	88.2
1992-06-01	88.3
1992-07-01	88.3
1992-08-01	88.2
1992-09-01	88.3
1992-10-01	88.3
1992-11-01	88.3
1992-12-01	88.1
1993-01-01	88.1
1993-02-01	88.1
1993-03-01	88.2
1993-04-01	88.7
1993-05-01	88.8
1993-06-01	88.8
1993-07-01	88.7
1993-08-01	88.7
1993-09-01	88.6
1993-10-01	88.3
1993-11-01	88.3
1993-12-01	88.4
1994-01-01	88.4
1994-02-01	88.2
1994-03-01	88.1
1994-04-01	88.9
1994-05-01	88.8
1994-06-01	88.8
1994-07-01	88.8
1994-08-01	88.9
1994-09-01	88.8
1994-10-01	88.9
1994-11-01	88.8
1994-12-01	88.7
1995-01-01	88.9
1995-02-01	88.8
1995-03-01	88.7
1995-04-01	88.7
1995-05-01	88.8
1995-06-01	88.8
1995-07-01	89.3
1995-08-01	89.3
1995-09-01	89.3
1995-10-01	89.2
1995-11-01	89.2
1995-12-01	89.1
1996-01-01	89.0
1996-02-01	89.0
1996-03-01	89.1
1996-04-01	89.8
1996-05-01	89.9
1996-06-01	89.8
1996-07-01	89.8
1996-08-01	89.8
1996-09-01	89.8
1996-10-01	89.8
1996-11-01	89.7
1996-12-01	89.6
1997-01-01	89.6
1997-02-01	89.5
1997-03-01	89.5
1997-04-01	90.6
1997-05-01	90.6
1997-06-01	90.6
1997-07-01	90.5
1997-08-01	90.5
1997-09-01	100.8
1997-10-01	100.8
1997-11-01	100.8
1997-12-01	100.7
1998-01-01	100.6
1998-02-01	100.6
1998-03-01	100.7
1998-04-01	100.4
1998-05-01	100.4
1998-06-01	100.3
1998-07-01	100.3
1998-08-01	100.3
1998-09-01	100.2
1998-10-01	100.3
1998-11-01	100.3
1998-12-01	100.2
1999-01-01	100.2
1999-02-01	100.2
1999-03-01	100.1
1999-04-01	100.5
1999-05-01	100.6
1999-06-01	100.5
1999-07-01	99.0
1999-08-01	99.0
1999-09-01	98.9
1999-10-01	99.0
1999-11-01	98.9
1999-12-01	98.9
2000-01-01	98.9
2000-02-01	98.7
2000-03-01	98.6
2000-04-01	99.2
2000-05-01	99.1
2000-06-01	99.0
2000-07-01	99.1
2000-08-01	99.0
2000-09-01	98.9
2000-10-01	98.9
2000-11-01	98.8
2000-12-01	98.7
2001-01-01	99.9
2001-02-01	99.8
2001-03-01	99.8
2001-04-01	99.8
2001-05-01	99.7
2001-06-01	99.7
2001-07-01	99.6
2001-08-01	99.6
2001-09-01	99.5
2001-10-01	99.4
2001-11-01	99.3
2001-12-01	99.3
2002-01-01	99.2
2002-02-01	99.1
2002-03-01	99.1
2002-04-01	97.9
2002-05-01	97.8
2002-06-01	97.8
2002-07-01	97.6
2002-08-01	97.6
2002-09-01	97.5
2002-10-01	99.1
2002-11-01	99.0
2002-12-01	98.9
2003-01-01	98.8
2003-02-01	98.8
2003-03-01	98.8
2003-04-01	102.9
2003-05-01	102.9
2003-06-01	102.8
2003-07-01	102.8
2003-08-01	102.7
2003-09-01	102.7
2003-10-01	102.6
2003-11-01	102.5
2003-12-01	102.4
2004-01-01	102.3
2004-02-01	102.4
2004-03-01	102.3
2004-04-01	101.5
2004-05-01	101.6
2004-06-01	101.6
2004-07-01	101.5
2004-08-01	101.5
2004-09-01	101.5
2004-10-01	101.5
2004-11-01	101.5
2004-12-01	101.4
2005-01-01	101.6
2005-02-01	101.6
2005-03-01	101.6
2005-04-01	101.6
2005-05-01	101.6
2005-06-01	101.5
2005-07-01	101.3
2005-08-01	101.3
2005-09-01	101.2
2005-10-01	101.1
2005-11-01	101.2
2005-12-01	100.7
2006-01-01	101.1
2006-02-01	101.1
2006-03-01	101.1
2006-04-01	100.3
2006-05-01	100.1
2006-06-01	100.2
2006-07-01	100.3
2006-08-01	100.3
2006-09-01	100.3
2006-10-01	101.3
2006-11-01	101.3
2006-12-01	101.2
2007-01-01	100.8
2007-02-01	100.8
2007-03-01	101.1
2007-04-01	101.3
2007-05-01	101.3
2007-06-01	101.2
2007-07-01	101.0
2007-08-01	101.1
2007-09-01	100.7
2007-10-01	100.8
2007-11-01	101.0
2007-12-01	100.8
2008-01-01	101.0
2008-02-01	100.9
2008-03-01	100.9
2008-04-01	100.8
2008-05-01	100.8
2008-06-01	100.7
2008-07-01	100.7
2008-08-01	100.6
2008-09-01	100.8
2008-10-01	100.7
2008-11-01	100.5
2008-12-01	100.4
2009-01-01	101.1
2009-02-01	100.9
2009-03-01	101.0
2009-04-01	100.5
2009-05-01	100.6
2009-06-01	100.4
2009-07-01	100.7
2009-08-01	100.6
2009-09-01	100.5
2009-10-01	100.3
2009-11-01	100.4
2009-12-01	99.9
2010-01-01	100.1
2010-02-01	99.9
2010-03-01	100.1
2010-04-01	100.3
2010-05-01	100.3
2010-06-01	100.3
2010-07-01	100.2
2010-08-01	99.9
2010-09-01	100.0
2010-10-01	100.3
2010-11-01	100.2
2010-12-01	99.9
2011-01-01	99.9
2011-02-01	99.8
2011-03-01	99.4
2011-04-01	99.3
2011-05-01	100.3
2011-06-01	100.1
2011-07-01	99.4
2011-08-01	99.2
2011-09-01	99.3
2011-10-01	99.1
2011-11-01	99.0
2011-12-01	98.8
2012-01-01	98.8
2012-02-01	98.6
2012-03-01	98.6
2012-04-01	98.8
2012-05-01	99.0
2012-06-01	98.9
2012-07-01	98.8
2012-08-01	98.6
2012-09-01	98.7
2012-10-01	98.7
2012-11-01	98.4
2012-12-01	98.1
2013-01-01	98.1
2013-02-01	98.1
2013-03-01	98.2
2013-04-01	98.0
2013-05-01	98.1
2013-06-01	98.3
2013-07-01	98.2
2013-08-01	98.1
2013-09-01	98.1
2013-10-01	98.2
2013-11-01	97.9
2013-12-01	97.7
2014-01-01	97.7
2014-02-01	97.6
2014-03-01	97.7
2014-04-01	99.9
2014-05-01	99.7
2014-06-01	99.6
2014-07-01	99.7
2014-08-01	99.5
2014-09-01	99.6
2014-10-01	99.5
2014-11-01	99.4
2014-12-01	99.2
2015-01-01	99.4
2015-02-01	99.4
2015-03-01	99.4
2015-04-01	100.0
2015-05-01	100.2
2015-06-01	100.2
2015-07-01	100.3
2015-08-01	100.3
2015-09-01	100.1
2015-10-01	100.2
2015-11-01	100.2
2015-12-01	100.2
2016-01-01	100.3
2016-02-01	100.2
2016-03-01	100.4
2016-04-01	100.9
2016-05-01	101.0
2016-06-01	101.2
2016-07-01	101.2
2016-08-01	101.1
2016-09-01	101.2
2016-10-01	101.2
2016-11-01	101.1
2016-12-01	101.0
2017-01-01	100.8
2017-02-01	100.7
2017-03-01	100.8
2017-04-01	101.1
2017-05-01	101.3
2017-06-01	101.2
2017-07-01	101.3
2017-08-01	103.0
2017-09-01	103.0
2017-10-01	102.8
2017-11-01	102.7
2017-12-01	102.6
2018-01-01	102.4
2018-02-01	102.6
2018-03-01	102.5
2018-04-01	103.0
2018-05-01	103.2
2018-06-01	103.3
2018-07-01	103.3
2018-08-01	104.1
2018-09-01	104.1