Annual Percent
1960-01-01 89.85580000000000
1961-01-01 89.72300000000000
1962-01-01 85.96450000000000
1963-01-01 83.69930000000000
1964-01-01 85.95700000000001
1965-01-01 88.70530000000000
1966-01-01 90.99400000000000
1967-01-01 92.41250000000000
1968-01-01 89.77580000000000
1969-01-01 86.49940000000000
1970-01-01 86.39399999999999
1971-01-01 87.14790000000000
1972-01-01 87.83420000000000
1973-01-01 86.00110000000000
1974-01-01 87.34340000000000
1975-01-01 88.73760000000000
1976-01-01 88.10360000000000
1977-01-01 88.95520000000000
1978-01-01 82.07530000000000
1979-01-01 78.65550000000000
1980-01-01 78.26740000000000
1981-01-01 75.12050000000000
1982-01-01 69.48720000000000
1983-01-01 55.75940000000000
1984-01-01 45.58590000000000
1985-01-01 42.56930000000000
1986-01-01 48.64740000000000
1987-01-01 59.61870000000000
1988-01-01 70.25550000000000
1989-01-01 92.77820000000000
1990-01-01 73.70040000000000
1991-01-01 61.20520000000000
1992-01-01 15.13870000000000
1993-01-01 10.76790000000000
1994-01-01 13.65990000000000
1995-01-01 16.62720000000000
1996-01-01 20.10860000000000
1997-01-01 23.46510000000000
1998-01-01 29.41690000000000
1999-01-01 32.34740000000000
2000-01-01 35.94270000000000
2001-01-01 28.45530000000000
2002-01-01 22.19310000000000
2003-01-01 25.54850000000000
2004-01-01 30.48890000000000
2005-01-01 35.71700000000000
2006-01-01 41.02570000000000
2007-01-01 46.48330000000000
2008-01-01 49.53050000000000
2009-01-01 48.56860000000000
2010-01-01 48.24380000000000
2011-01-01 50.97380000000000
2012-01-01 54.58060000000000
2013-01-01 58.68000000000000
2014-01-01 62.95850000000000
2015-01-01 67.52080000000000
2016-01-01 71.32530000000000