Annual Percent
1975-01-01 3.6946199999999996
1976-01-01 3.5851300000000004
1977-01-01 4.4701200000000000
1978-01-01 5.6671100000000000
1979-01-01 5.6671100000000000
1980-01-01 5.6671100000000000
1981-01-01 5.6671100000000000
1982-01-01 5.6671100000000000
1983-01-01 5.6671100000000000
1984-01-01 5.6671100000000000
1985-01-01 5.6671100000000000
1986-01-01 5.6671100000000000
1987-01-01 5.6671100000000000
1988-01-01 5.6671100000000000
1989-01-01 5.6671100000000000
1990-01-01 5.6671100000000000
1991-01-01 5.6671100000000000
1992-01-01 5.6671100000000000
1993-01-01 1.8287500000000000
1994-01-01 2.6430100000000000
1995-01-01 5.9961800000000010
1996-01-01 10.5269000000000000
1997-01-01 12.9379000000000000
1998-01-01 12.9420000000000000
1999-01-01 14.5910000000000000
2000-01-01 19.3486000000000000
2001-01-01 13.7364000000000000
2002-01-01 6.5863900000000000
2003-01-01 12.5355000000000000
2004-01-01 18.0316000000000000
2005-01-01 17.3893000000000000
2006-01-01 13.5550000000000000
2007-01-01 11.3501000000000000
2008-01-01 11.4689000000000000
2009-01-01 12.7233000000000000
2010-01-01 14.5111000000000000
2011-01-01 16.4047000000000000
2012-01-01 15.8535000000000000
2013-01-01 40.7622000000000000
2014-01-01 46.8600000000000000
2015-01-01 25.3887000000000000
2016-01-01 22.8963000000000000
2017-01-01 23.7447000000000000