Annual Percent
1961-01-01 78.15600000000000
1962-01-01 55.15070000000000
1963-01-01 61.45190000000000
1964-01-01 56.60840000000000
1965-01-01 49.33560000000000
1966-01-01 47.25140000000000
1967-01-01 45.46810000000000
1968-01-01 46.48830000000000
1969-01-01 48.26570000000000
1970-01-01 47.75360000000000
1971-01-01 37.92410000000000
1972-01-01 30.07770000000000
1973-01-01 21.47450000000000
1974-01-01 17.92600000000000
1975-01-01 18.78730000000000
1976-01-01 22.31880000000000
1977-01-01 34.06240000000000
1978-01-01 43.80710000000000
1979-01-01 53.59120000000000
1980-01-01 66.70630000000000
1981-01-01 79.06600000000000
1982-01-01 81.92700000000000
1983-01-01 76.39000000000000
1984-01-01 69.38310000000000
1985-01-01 59.65410000000000
1986-01-01 52.22500000000000
1987-01-01 50.85320000000000
1988-01-01 50.69170000000000
1989-01-01 55.95040000000000
1990-01-01 61.59140000000000
1991-01-01 62.11010000000000
1992-01-01 65.22080000000000
1993-01-01 68.98220000000000
1994-01-01 72.60830000000000
1995-01-01 76.31070000000000
1996-01-01 79.31760000000000
1997-01-01 80.60940000000000
1998-01-01 81.33010000000000
1999-01-01 82.08600000000000
2000-01-01 82.49410000000000
2001-01-01 82.99020000000000
2002-01-01 83.61000000000000
2003-01-01 85.53770000000000
2004-01-01 88.57480000000000
2005-01-01 91.79480000000000
2006-01-01 94.62700000000001
2007-01-01 96.53480000000000
2008-01-01 97.44610000000000
2009-01-01 97.52300000000000
2010-01-01 97.49380000000000
2011-01-01 97.73530000000000
2012-01-01 97.99840000000000
2013-01-01 98.21650000000000
2014-01-01 98.82770000000000
2015-01-01 99.37030000000000
2016-01-01 99.48290000000000