Year Percent 1960-01-01 117.67500000000000 1961-01-01 120.35000000000000 1962-01-01 133.70500000000000 1963-01-01 143.42800000000000 1964-01-01 145.65300000000000 1965-01-01 143.33400000000000 1966-01-01 139.95000000000000 1967-01-01 141.97100000000000 1968-01-01 142.09700000000000 1969-01-01 142.41500000000000 1970-01-01 133.00000000000000 1971-01-01 152.73600000000000 1972-01-01 165.11599999999999 1973-01-01 160.64000000000000 1974-01-01 151.86000000000000 1975-01-01 140.76000000000000 1976-01-01 133.55200000000002 1977-01-01 132.63500000000000 1978-01-01 124.62400000000000 1979-01-01 118.69700000000000 1980-01-01 110.97800000000000 1981-01-01 110.10600000000001 1982-01-01 111.83800000000000 1983-01-01 118.15899999999999 1984-01-01 124.01299999999999 1985-01-01 124.28399999999999 1986-01-01 123.55400000000000 1987-01-01 123.53399999999999 1988-01-01 122.34200000000001 1989-01-01 121.81400000000000 1990-01-01 122.88200000000000 1991-01-01 122.10900000000000 1992-01-01 122.94000000000000 1993-01-01 126.45700000000001 1994-01-01 130.34400000000000 1995-01-01 128.12700000000000 1996-01-01 134.52600000000000 1997-01-01 137.22299999999998 1998-01-01 139.51900000000000 1999-01-01 143.82900000000000 2000-01-01 141.58800000000000 2001-01-01 145.64000000000000 2002-01-01 151.23500000000000 2003-01-01 151.19600000000000 2004-01-01 152.28100000000000 2005-01-01 148.05100000000002 2006-01-01 135.73400000000000 2007-01-01 136.09200000000000 2008-01-01 140.12800000000000 2009-01-01 145.48800000000000 2010-01-01 138.50400000000000 2011-01-01 138.83400000000000 2012-01-01 140.05000000000000 2013-01-01 143.56400000000000 2014-01-01 154.10900000000000 2015-01-01 161.36300000000000 2016-01-01 165.12300000000000