Annual Percent
1960-01-01 17.055800000000000
1961-01-01 17.409700000000000
1962-01-01 18.823700000000000
1963-01-01 19.373500000000000
1964-01-01 19.311000000000000
1965-01-01 20.162500000000000
1966-01-01 19.918100000000000
1967-01-01 20.234400000000000
1968-01-01 20.640400000000000
1969-01-01 21.531400000000000
1970-01-01 19.204900000000000
1971-01-01 20.451400000000000
1972-01-01 20.597600000000000
1973-01-01 20.126300000000000
1974-01-01 19.267200000000000
1975-01-01 19.577900000000000
1976-01-01 21.900200000000000
1977-01-01 21.359000000000000
1978-01-01 19.815800000000000
1979-01-01 20.583100000000000
1980-01-01 20.523000000000003
1981-01-01 21.643900000000000
1982-01-01 20.233200000000000
1983-01-01 18.610000000000000
1984-01-01 18.333600000000000
1985-01-01 17.003500000000000
1986-01-01 16.464200000000000
1987-01-01 13.695900000000000
1988-01-01 10.209000000000000
1989-01-01 8.590270000000000
1990-01-01 13.239400000000000
1991-01-01 17.368900000000000
1992-01-01 20.057100000000000
1993-01-01 19.475700000000000
1994-01-01 20.079900000000000
1995-01-01 20.796999999999997
1996-01-01 19.388800000000000
1997-01-01 22.120500000000000
1998-01-01 24.153300000000000
1999-01-01 23.670000000000000
2000-01-01 20.993300000000000
2001-01-01 20.058500000000000
2002-01-01 20.143900000000000
2003-01-01 20.267500000000000
2004-01-01 19.913600000000000
2005-01-01 20.191800000000000
2006-01-01 19.890500000000000
2007-01-01 20.672500000000000
2008-01-01 21.444300000000000
2009-01-01 24.072300000000000
2010-01-01 24.686400000000000
2011-01-01 24.938500000000000
2012-01-01 25.664800000000000
2013-01-01 26.924300000000000
2014-01-01 27.558300000000000
2015-01-01 28.756900000000000
2016-01-01 29.467500000000000