Month Index source base 1960-01-01 15.5 1960-02-01 15.5 1960-03-01 15.4 1960-04-01 15.5 1960-05-01 15.5 1960-06-01 15.5 1960-07-01 15.5 1960-08-01 15.5 1960-09-01 15.5 1960-10-01 15.7 1960-11-01 15.7 1960-12-01 15.7 1961-01-01 15.7 1961-02-01 15.7 1961-03-01 15.7 1961-04-01 15.7 1961-05-01 15.7 1961-06-01 15.7 1961-07-01 15.7 1961-08-01 15.7 1961-09-01 15.7 1961-10-01 15.7 1961-11-01 15.7 1961-12-01 15.7 1962-01-01 15.7 1962-02-01 15.7 1962-03-01 15.7 1962-04-01 15.8 1962-05-01 15.8 1962-06-01 15.9 1962-07-01 15.9 1962-08-01 16.0 1962-09-01 15.9 1962-10-01 16.0 1962-11-01 16.0 1962-12-01 16.0 1963-01-01 16.0 1963-02-01 16.0 1963-03-01 16.0 1963-04-01 16.0 1963-05-01 16.0 1963-06-01 16.0 1963-07-01 16.2 1963-08-01 16.3 1963-09-01 16.2 1963-10-01 16.2 1963-11-01 16.3 1963-12-01 16.3 1964-01-01 16.3 1964-02-01 16.3 1964-03-01 16.3 1964-04-01 16.4 1964-05-01 16.4 1964-06-01 16.4 1964-07-01 16.5 1964-08-01 16.5 1964-09-01 16.5 1964-10-01 16.5 1964-11-01 16.5 1964-12-01 16.6 1965-01-01 16.6 1965-02-01 16.6 1965-03-01 16.6 1965-04-01 16.7 1965-05-01 16.7 1965-06-01 16.9 1965-07-01 16.9 1965-08-01 16.9 1965-09-01 16.9 1965-10-01 16.9 1965-11-01 17.0 1965-12-01 17.1 1966-01-01 17.1 1966-02-01 17.2 1966-03-01 17.3 1966-04-01 17.4 1966-05-01 17.4 1966-06-01 17.5 1966-07-01 17.5 1966-08-01 17.6 1966-09-01 17.6 1966-10-01 17.6 1966-11-01 17.6 1966-12-01 17.7 1967-01-01 17.7 1967-02-01 17.7 1967-03-01 17.8 1967-04-01 17.9 1967-05-01 18.0 1967-06-01 18.1 1967-07-01 18.2 1967-08-01 18.3 1967-09-01 18.3 1967-10-01 18.3 1967-11-01 18.3 1967-12-01 18.4 1968-01-01 18.5 1968-02-01 18.5 1968-03-01 18.6 1968-04-01 18.6 1968-05-01 18.6 1968-06-01 18.7 1968-07-01 18.9 1968-08-01 19.0 1968-09-01 19.0 1968-10-01 19.0 1968-11-01 19.2 1968-12-01 19.2 1969-01-01 19.2 1969-02-01 19.2 1969-03-01 19.3 1969-04-01 19.6 1969-05-01 19.6 1969-06-01 19.7 1969-07-01 19.8 1969-08-01 19.9 1969-09-01 19.9 1969-10-01 19.9 1969-11-01 19.9 1969-12-01 20.1 1970-01-01 20.2 1970-02-01 20.2 1970-03-01 20.2 1970-04-01 20.3 1970-05-01 20.3 1970-06-01 20.3 1970-07-01 20.5 1970-08-01 20.5 1970-09-01 20.4 1970-10-01 20.4 1970-11-01 20.4 1970-12-01 20.3 1971-01-01 20.4 1971-02-01 20.5 1971-03-01 20.5 1971-04-01 20.7 1971-05-01 20.7 1971-06-01 20.8 1971-07-01 21.0 1971-08-01 21.2 1971-09-01 21.1 1971-10-01 21.2 1971-11-01 21.2 1971-12-01 21.3 1972-01-01 21.4 1972-02-01 21.5 1972-03-01 21.6 1972-04-01 21.7 1972-05-01 21.7 1972-06-01 21.7 1972-07-01 22.0 1972-08-01 22.2 1972-09-01 22.3 1972-10-01 22.3 1972-11-01 22.3 1972-12-01 22.4 1973-01-01 22.6 1973-02-01 22.8 1973-03-01 22.8 1973-04-01 23.1 1973-05-01 23.2 1973-06-01 23.4 1973-07-01 23.7 1973-08-01 24.0 1973-09-01 24.1 1973-10-01 24.2 1973-11-01 24.4 1973-12-01 24.5 1974-01-01 24.7 1974-02-01 24.9 1974-03-01 25.2 1974-04-01 25.4 1974-05-01 25.9 1974-06-01 26.1 1974-07-01 26.3 1974-08-01 26.6 1974-09-01 26.8 1974-10-01 27.1 1974-11-01 27.3 1974-12-01 27.6 1975-01-01 27.6 1975-02-01 27.9 1975-03-01 28.0 1975-04-01 28.2 1975-05-01 28.5 1975-06-01 28.8 1975-07-01 29.2 1975-08-01 29.5 1975-09-01 29.6 1975-10-01 29.8 1975-11-01 30.1 1975-12-01 30.2 1976-01-01 30.3 1976-02-01 30.5 1976-03-01 30.6 1976-04-01 30.7 1976-05-01 30.9 1976-06-01 31.1 1976-07-01 31.3 1976-08-01 31.3 1976-09-01 31.5 1976-10-01 31.7 1976-11-01 31.8 1976-12-01 31.9 1977-01-01 32.2 1977-02-01 32.4 1977-03-01 32.8 1977-04-01 33.0 1977-05-01 33.4 1977-06-01 33.5 1977-07-01 33.9 1977-08-01 33.9 1977-09-01 34.2 1977-10-01 34.5 1977-11-01 34.7 1977-12-01 34.9 1978-01-01 35.1 1978-02-01 35.4 1978-03-01 35.7 1978-04-01 35.8 1978-05-01 36.3 1978-06-01 36.6 1978-07-01 37.1 1978-08-01 37.2 1978-09-01 37.1 1978-10-01 37.6 1978-11-01 37.8 1978-12-01 37.9 1979-01-01 38.1 1979-02-01 38.6 1979-03-01 39.0 1979-04-01 39.3 1979-05-01 39.7 1979-06-01 39.9 1979-07-01 40.2 1979-08-01 40.3 1979-09-01 40.7 1979-10-01 41.0 1979-11-01 41.4 1979-12-01 41.6 1980-01-01 41.8 1980-02-01 42.3 1980-03-01 42.6 1980-04-01 42.9 1980-05-01 43.4 1980-06-01 43.9 1980-07-01 44.2 1980-08-01 44.7 1980-09-01 45.0 1980-10-01 45.4 1980-11-01 46.0 1980-12-01 46.2 1981-01-01 46.9 1981-02-01 47.4 1981-03-01 48.0 1981-04-01 48.3 1981-05-01 48.7 1981-06-01 49.5 1981-07-01 49.9 1981-08-01 50.3 1981-09-01 50.7 1981-10-01 51.2 1981-11-01 51.6 1981-12-01 51.8 1982-01-01 52.2 1982-02-01 52.8 1982-03-01 53.5 1982-04-01 53.8 1982-05-01 54.5 1982-06-01 55.1 1982-07-01 55.4 1982-08-01 55.6 1982-09-01 55.9 1982-10-01 56.3 1982-11-01 56.6 1982-12-01 56.6 1983-01-01 56.5 1983-02-01 56.8 1983-03-01 57.4 1983-04-01 57.4 1983-05-01 57.5 1983-06-01 58.1 1983-07-01 58.4 1983-08-01 58.7 1983-09-01 58.7 1983-10-01 59.1 1983-11-01 59.1 1983-12-01 59.2 1984-01-01 59.6 1984-02-01 59.9 1984-03-01 60.0 1984-04-01 60.2 1984-05-01 60.2 1984-06-01 60.6 1984-07-01 60.8 1984-08-01 60.8 1984-09-01 60.9 1984-10-01 61.1 1984-11-01 61.4 1984-12-01 61.4 1985-01-01 61.7 1985-02-01 62.1 1985-03-01 62.2 1985-04-01 62.5 1985-05-01 62.7 1985-06-01 63.0 1985-07-01 63.3 1985-08-01 63.3 1985-09-01 63.4 1985-10-01 63.6 1985-11-01 63.8 1985-12-01 64.1 1986-01-01 64.4 1986-02-01 64.7 1986-03-01 64.9 1986-04-01 64.9 1986-05-01 65.3 1986-06-01 65.4 1986-07-01 65.9 1986-08-01 66.0 1986-09-01 66.0 1986-10-01 66.4 1986-11-01 66.7 1986-12-01 66.8 1987-01-01 67.0 1987-02-01 67.3 1987-03-01 67.5 1987-04-01 67.9 1987-05-01 68.3 1987-06-01 68.5 1987-07-01 68.9 1987-08-01 69.0 1987-09-01 69.0 1987-10-01 69.2 1987-11-01 69.5 1987-12-01 69.6 1988-01-01 69.7 1988-02-01 70.0 1988-03-01 70.4 1988-04-01 70.6 1988-05-01 71.0 1988-06-01 71.2 1988-07-01 71.6 1988-08-01 71.7 1988-09-01 71.8 1988-10-01 72.2 1988-11-01 72.3 1988-12-01 72.3 1989-01-01 72.7 1989-02-01 73.2 1989-03-01 73.6 1989-04-01 73.8 1989-05-01 74.6 1989-06-01 74.9 1989-07-01 75.4 1989-08-01 75.5 1989-09-01 75.6 1989-10-01 75.9 1989-11-01 76.1 1989-12-01 76.1 1990-01-01 76.7 1990-02-01 77.2 1990-03-01 77.5 1990-04-01 77.5 1990-05-01 77.9 1990-06-01 78.2 1990-07-01 78.5 1990-08-01 78.6 1990-09-01 78.8 1990-10-01 79.5 1990-11-01 80.0 1990-12-01 79.9 1991-01-01 82.0 1991-02-01 82.0 1991-03-01 82.3 1991-04-01 82.3 1991-05-01 82.7 1991-06-01 83.1 1991-07-01 83.2 1991-08-01 83.3 1991-09-01 83.1 1991-10-01 83.0 1991-11-01 83.3 1991-12-01 82.9 1992-01-01 83.3 1992-02-01 83.3 1992-03-01 83.6 1992-04-01 83.7 1992-05-01 83.8 1992-06-01 84.0 1992-07-01 84.2 1992-08-01 84.2 1992-09-01 84.2 1992-10-01 84.3 1992-11-01 84.7 1992-12-01 84.7 1993-01-01 85.0 1993-02-01 85.3 1993-03-01 85.2 1993-04-01 85.2 1993-05-01 85.4 1993-06-01 85.4 1993-07-01 85.6 1993-08-01 85.7 1993-09-01 85.7 1993-10-01 85.9 1993-11-01 86.3 1993-12-01 86.1 1994-01-01 86.1 1994-02-01 85.4 1994-03-01 85.4 1994-04-01 85.4 1994-05-01 85.2 1994-06-01 85.4 1994-07-01 85.7 1994-08-01 85.8 1994-09-01 85.9 1994-10-01 85.7 1994-11-01 86.2 1994-12-01 86.3 1995-01-01 86.6 1995-02-01 87.0 1995-03-01 87.2 1995-04-01 87.5 1995-05-01 87.7 1995-06-01 87.7 1995-07-01 87.9 1995-08-01 87.7 1995-09-01 87.8 1995-10-01 87.7 1995-11-01 88.0 1995-12-01 87.8 1996-01-01 88.0 1996-02-01 88.1 1996-03-01 88.5 1996-04-01 88.7 1996-05-01 89.0 1996-06-01 89.0 1996-07-01 89.0 1996-08-01 89.0 1996-09-01 89.1 1996-10-01 89.3 1996-11-01 89.7 1996-12-01 89.7 1997-01-01 89.9 1997-02-01 90.1 1997-03-01 90.2 1997-04-01 90.2 1997-05-01 90.3 1997-06-01 90.5 1997-07-01 90.5 1997-08-01 90.6 1997-09-01 90.6 1997-10-01 90.6 1997-11-01 90.5 1997-12-01 90.4 1998-01-01 90.9 1998-02-01 91.0 1998-03-01 91.1 1998-04-01 91.0 1998-05-01 91.3 1998-06-01 91.4 1998-07-01 91.4 1998-08-01 91.4 1998-09-01 91.2 1998-10-01 91.6 1998-11-01 91.6 1998-12-01 91.3 1999-01-01 91.5 1999-02-01 91.6 1999-03-01 92.0 1999-04-01 92.5 1999-05-01 92.7 1999-06-01 92.9 1999-07-01 93.1 1999-08-01 93.3 1999-09-01 93.6 1999-10-01 93.7 1999-11-01 93.6 1999-12-01 93.7 2000-01-01 93.5 2000-02-01 94.1 2000-03-01 94.8 2000-04-01 94.5 2000-05-01 94.9 2000-06-01 95.5 2000-07-01 95.8 2000-08-01 95.7 2000-09-01 96.1 2000-10-01 96.3 2000-11-01 96.6 2000-12-01 96.7 2001-01-01 96.3 2001-02-01 96.8 2001-03-01 97.1 2001-04-01 97.8 2001-05-01 98.6 2001-06-01 98.7 2001-07-01 98.4 2001-08-01 98.4 2001-09-01 98.6 2001-10-01 98.1 2001-11-01 97.2 2001-12-01 97.4 2002-01-01 97.6 2002-02-01 98.2 2002-03-01 98.9 2002-04-01 99.5 2002-05-01 99.7 2002-06-01 99.9 2002-07-01 100.5 2002-08-01 100.9 2002-09-01 100.9 2002-10-01 101.2 2002-11-01 101.5 2002-12-01 101.1 2003-01-01 102.0 2003-02-01 102.8 2003-03-01 103.1 2003-04-01 102.4 2003-05-01 102.5 2003-06-01 102.5 2003-07-01 102.6 2003-08-01 102.9 2003-09-01 103.1 2003-10-01 102.8 2003-11-01 103.1 2003-12-01 103.2 2004-01-01 103.3 2004-02-01 103.5 2004-03-01 103.9 2004-04-01 104.1 2004-05-01 105.0 2004-06-01 105.1 2004-07-01 105.0 2004-08-01 104.8 2004-09-01 105.0 2004-10-01 105.2 2004-11-01 105.6 2004-12-01 105.4 2005-01-01 105.3 2005-02-01 105.7 2005-03-01 106.3 2005-04-01 106.6 2005-05-01 106.7 2005-06-01 106.9 2005-07-01 107.1 2005-08-01 107.5 2005-09-01 108.4 2005-10-01 107.9 2005-11-01 107.7 2005-12-01 107.6 2006-01-01 108.2 2006-02-01 108.0 2006-03-01 108.6 2006-04-01 109.2 2006-05-01 109.7 2006-06-01 109.5 2006-07-01 109.6 2006-08-01 109.8 2006-09-01 109.2 2006-10-01 109.0 2006-11-01 109.2 2006-12-01 109.4 2007-01-01 109.4 2007-02-01 110.2 2007-03-01 111.1 2007-04-01 111.6 2007-05-01 112.1 2007-06-01 111.9 2007-07-01 112.0 2007-08-01 111.7 2007-09-01 111.9 2007-10-01 111.6 2007-11-01 111.9 2007-12-01 112.0 2008-01-01 111.8 2008-02-01 112.2 2008-03-01 112.6 2008-04-01 113.5 2008-05-01 114.6 2008-06-01 115.4 2008-07-01 115.8 2008-08-01 115.6 2008-09-01 115.7 2008-10-01 114.5 2008-11-01 114.1 2008-12-01 113.3 2009-01-01 113.0 2009-02-01 113.8 2009-03-01 114.0 2009-04-01 113.9 2009-05-01 114.7 2009-06-01 115.1 2009-07-01 114.7 2009-08-01 114.7 2009-09-01 114.7 2009-10-01 114.6 2009-11-01 115.2 2009-12-01 114.8 2010-01-01 115.1 2010-02-01 115.6 2010-03-01 115.6 2010-04-01 116.0 2010-05-01 116.3 2010-06-01 116.2 2010-07-01 116.8 2010-08-01 116.7 2010-09-01 116.9 2010-10-01 117.4 2010-11-01 117.5 2010-12-01 117.5 2011-01-01 117.8 2011-02-01 118.1 2011-03-01 119.4 2011-04-01 119.8 2011-05-01 120.6 2011-06-01 119.8 2011-07-01 120.0 2011-08-01 120.3 2011-09-01 120.6 2011-10-01 120.8 2011-11-01 120.9 2011-12-01 120.2 2012-01-01 120.7 2012-02-01 121.2 2012-03-01 121.7 2012-04-01 122.2 2012-05-01 122.1 2012-06-01 121.6 2012-07-01 121.5 2012-08-01 121.8 2012-09-01 122.0 2012-10-01 122.2 2012-11-01 121.9 2012-12-01 121.2 2013-01-01 121.3 2013-02-01 122.7 2013-03-01 122.9 2013-04-01 122.7 2013-05-01 123.0 2013-06-01 123.0 2013-07-01 123.1 2013-08-01 123.1 2013-09-01 123.3 2013-10-01 123.0 2013-11-01 123.0 2013-12-01 122.7 2014-01-01 123.1 2014-02-01 124.1 2014-03-01 124.8 2014-04-01 125.2 2014-05-01 125.8 2014-06-01 125.9 2014-07-01 125.7 2014-08-01 125.7 2014-09-01 125.8 2014-10-01 125.9 2014-11-01 125.4 2014-12-01 124.5 2015-01-01 124.3 2015-02-01 125.4 2015-03-01 126.3 2015-04-01 126.2 2015-05-01 126.9 2015-06-01 127.2 2015-07-01 127.3 2015-08-01 127.3 2015-09-01 127.1 2015-10-01 127.2 2015-11-01 127.1 2015-12-01 126.5 2016-01-01 126.8 2016-02-01 127.1 2016-03-01 127.9 2016-04-01 128.3 2016-05-01 128.8 2016-06-01 129.1 2016-07-01 128.9 2016-08-01 128.7 2016-09-01 128.8 2016-10-01 129.1 2016-11-01 128.6 2016-12-01 128.4 2017-01-01 129.5 2017-02-01 129.7 2017-03-01 129.9 2017-04-01 130.4 2017-05-01 130.5 2017-06-01 130.4 2017-07-01 130.4 2017-08-01 130.5 2017-09-01 130.8 2017-10-01 130.9 2017-11-01 131.3 2017-12-01 130.8 2018-01-01 131.7 2018-02-01 132.5 2018-03-01 132.9 2018-04-01 133.3 2018-05-01 133.4 2018-06-01 133.6 2018-07-01 134.3 2018-08-01 134.2 2018-09-01 133.7