Annual Percent
1973-01-01 8.094360000000000
1974-01-01 10.630400000000000
1975-01-01 15.100800000000000
1976-01-01 19.012200000000000
1977-01-01 17.439100000000000
1978-01-01 15.539500000000000
1979-01-01 13.640999999999998
1980-01-01 12.561000000000000
1981-01-01 14.438800000000000
1982-01-01 18.544800000000000
1983-01-01 22.775400000000000
1984-01-01 27.734500000000000
1985-01-01 33.098400000000000
1986-01-01 44.017800000000000
1987-01-01 42.060900000000000
1988-01-01 43.745300000000000
1989-01-01 40.811600000000000
1990-01-01 31.405600000000000
1991-01-01 31.544300000000000
1992-01-01 32.916300000000000
1993-01-01 32.408200000000000
1994-01-01 30.947000000000000
1995-01-01 30.551600000000000
1996-01-01 29.763600000000000
1997-01-01 29.959300000000000
1998-01-01 33.024500000000000
1999-01-01 31.285400000000000
2000-01-01 28.407800000000000
2001-01-01 34.640400000000000
2002-01-01 38.137400000000000
2003-01-01 38.159800000000000
2004-01-01 38.630900000000000
2005-01-01 40.641900000000000
2006-01-01 46.272700000000000
2007-01-01 48.417600000000000
2008-01-01 53.053900000000000
2009-01-01 71.636700000000000
2010-01-01 67.916300000000000
2011-01-01 59.205700000000000
2012-01-01 58.084600000000000
2013-01-01 63.509800000000000
2014-01-01 70.519800000000000
2015-01-01 85.386100000000000
2016-01-01 90.134600000000000