Annual Percent
1973-01-01 10.110600000000000
1974-01-01 13.038100000000000
1975-01-01 18.538000000000000
1976-01-01 22.055000000000000
1977-01-01 18.145300000000000
1978-01-01 17.749300000000000
1979-01-01 17.789500000000000
1980-01-01 18.645900000000000
1981-01-01 19.015800000000000
1982-01-01 19.138600000000000
1983-01-01 18.406200000000000
1984-01-01 14.192500000000000
1985-01-01 12.383800000000000
1986-01-01 13.754400000000000
1987-01-01 13.906400000000000
1988-01-01 12.845100000000000
1989-01-01 10.593100000000000
1990-01-01 9.833610000000000
1991-01-01 9.686539999999999
1992-01-01 10.281700000000000
1993-01-01 10.250800000000000
1994-01-01 8.188950000000000
1995-01-01 8.091370000000000
1996-01-01 10.305300000000000
1997-01-01 11.222500000000000
1998-01-01 12.641800000000000
1999-01-01 13.468400000000000
2000-01-01 14.259200000000000
2001-01-01 14.023500000000000
2002-01-01 16.645700000000000
2003-01-01 19.452800000000000
2004-01-01 20.249300000000000
2005-01-01 19.256500000000000
2006-01-01 18.808500000000000
2007-01-01 19.121900000000000
2008-01-01 18.966200000000000
2009-01-01 18.109700000000000
2010-01-01 18.004300000000000
2011-01-01 17.958600000000000
2012-01-01 19.769600000000000
2013-01-01 20.865500000000000
2014-01-01 23.709200000000000
2015-01-01 26.839100000000000
2016-01-01 29.651100000000000