Annual Percent
1960-01-01 14.145800000000000
1961-01-01 13.638300000000000
1962-01-01 13.940999999999999
1963-01-01 14.498100000000000
1964-01-01 15.400400000000000
1965-01-01 16.093900000000000
1966-01-01 15.872800000000000
1967-01-01 15.179200000000000
1968-01-01 14.009000000000000
1969-01-01 14.071400000000000
1970-01-01 8.670250000000000
1971-01-01 9.473740000000000
1972-01-01 9.476310000000000
1973-01-01 9.086080000000000
1974-01-01 8.110320000000000
1975-01-01 7.902010000000001
1976-01-01 8.895539999999999
1977-01-01 11.576800000000000
1978-01-01 14.238500000000000
1979-01-01 16.330500000000000
1980-01-01 18.127600000000000
1981-01-01 18.538200000000000
1982-01-01 19.489100000000000
1983-01-01 19.645000000000000
1984-01-01 18.617900000000000
1985-01-01 19.229700000000000
1986-01-01 19.002100000000000
1987-01-01 18.349100000000000
1988-01-01 18.488100000000000
1989-01-01 17.360400000000000
1990-01-01 16.236200000000000
1991-01-01 17.123000000000000
1992-01-01 18.375700000000000
1993-01-01 19.151500000000000
1994-01-01 20.400500000000000
1995-01-01 23.141300000000000
1996-01-01 25.755900000000000
1997-01-01 24.655700000000000
1998-01-01 25.344400000000000
1999-01-01 26.651999999999997
2000-01-01 26.313100000000000
2001-01-01 27.698200000000000
2002-01-01 27.719700000000000
2003-01-01 28.011999999999997
2004-01-01 28.274100000000000
2005-01-01 29.474300000000000
2006-01-01 29.308900000000000
2007-01-01 28.252700000000000
2008-01-01 27.311400000000000
2009-01-01 26.818000000000000
2010-01-01 27.135800000000000
2011-01-01 28.641600000000000
2012-01-01 28.396400000000000
2013-01-01 30.635600000000000
2014-01-01 32.116000000000000
2015-01-01 34.762600000000000
2016-01-01 43.042300000000000