Annual Percent
1975-01-01 5.82496999999999950
1976-01-01 4.54560000000000000
1977-01-01 5.58285000000000000
1978-01-01 7.22452000000000000
1979-01-01 9.33794000000000000
1980-01-01 9.02283000000000000
1981-01-01 8.99439000000000000
1982-01-01 8.63114000000000000
1983-01-01 8.02903000000000000
1984-01-01 8.72219000000000000
1985-01-01 7.97906000000000050
1986-01-01 6.85015000000000000
1987-01-01 6.99715000000000000
1988-01-01 6.25370000000000000
1989-01-01 6.11518000000000050
1990-01-01 5.68963000000000000
1991-01-01 5.28638000000000000
1992-01-01 4.42575000000000000
1993-01-01 4.54132000000000000
1994-01-01 3.81745000000000000
1995-01-01 3.34580000000000000
1996-01-01 3.02388000000000000
1997-01-01 2.97960999999999960
1998-01-01 2.84848000000000000
1999-01-01 0.19467300000000000
2000-01-01 0.21860500000000002
2001-01-01 0.28139400000000003
2002-01-01 0.22998800000000000
2003-01-01 0.23261199999999999
2004-01-01 0.20344000000000000
2005-01-01 0.19602100000000000
2006-01-01 0.21094400000000000
2007-01-01 0.25401500000000000
2008-01-01 0.24462500000000000
2009-01-01 0.24522100000000000
2010-01-01 0.21695599999999998
2011-01-01 0.22017100000000000
2012-01-01 0.21322600000000003
2013-01-01 0.19749600000000000
2014-01-01 0.19044500000000000
2015-01-01 0.18508000000000000
2016-01-01 0.20693000000000003
2017-01-01 0.20803100000000000