Year	Percent
1960-01-01	47.42520000000000
1961-01-01	45.61160000000000
1962-01-01	43.88940000000000
1963-01-01	43.90510000000000
1964-01-01	44.38280000000000
1965-01-01	46.26980000000000
1966-01-01	48.77610000000000
1967-01-01	50.74300000000000
1968-01-01	53.20190000000000
1969-01-01	55.47960000000000
1970-01-01	56.71080000000000
1971-01-01	58.41030000000000
1972-01-01	58.49940000000000
1973-01-01	59.55580000000000
1974-01-01	64.39860000000000
1975-01-01	66.18200000000000
1976-01-01	66.91710000000000
1977-01-01	71.20650000000000
1978-01-01	74.35120000000000
1979-01-01	76.57540000000000
1980-01-01	76.55470000000000
1981-01-01	76.45600000000000
1982-01-01	78.13260000000000
1983-01-01	79.09920000000000
1984-01-01	82.44970000000000
1985-01-01	91.04700000000001
1986-01-01	101.46400000000000
1987-01-01	106.60300000000000
1988-01-01	109.32400000000000
1989-01-01	116.56400000000000
1990-01-01	120.22600000000000
1991-01-01	120.56100000000000
1992-01-01	119.72500000000000
1993-01-01	119.24400000000000
1994-01-01	120.44900000000000
1995-01-01	122.02200000000000
1996-01-01	122.19900000000000
1997-01-01	123.34200000000001
1998-01-01	126.91400000000000
1999-01-01	128.54800000000000
2000-01-01	133.28100000000000
2001-01-01	134.21300000000000
2002-01-01	133.64900000000000
2003-01-01	137.82399999999998
2004-01-01	138.79300000000000
2005-01-01	141.47000000000000
2006-01-01	142.80400000000000
2007-01-01	133.35600000000000
2008-01-01	125.72500000000000
2009-01-01	128.87300000000000
2010-01-01	130.21100000000000
2011-01-01	126.17000000000000
2012-01-01	123.49500000000000
2013-01-01	129.22899999999998
2014-01-01	138.03900000000000
2015-01-01	127.84700000000001
2016-01-01	128.78799999999998