Annual Percent
1977-01-01 0.33769299999999997
1978-01-01 0.28087000000000000
1979-01-01 0.26645000000000000
1980-01-01 0.40628100000000000
1981-01-01 0.48765900000000000
1982-01-01 0.36030800000000000
1983-01-01 0.28965200000000000
1984-01-01 0.30052800000000000
1985-01-01 0.51176000000000000
1986-01-01 2.60260000000000000
1987-01-01 16.23050000000000000
1988-01-01 19.04490000000000000
1989-01-01 14.15530000000000000
1990-01-01 13.77760000000000000
1991-01-01 10.60400000000000100
1992-01-01 9.33828000000000100
1993-01-01 10.86110000000000000
1994-01-01 14.24980000000000000
1995-01-01 15.49230000000000000
1996-01-01 17.40780000000000000
1997-01-01 25.82780000000000000
1998-01-01 40.54900000000000000
1999-01-01 50.25800000000000000
2000-01-01 50.41560000000000000
2001-01-01 43.54550000000000000
2002-01-01 34.17610000000000000
2003-01-01 33.24840000000000000
2004-01-01 35.50160000000000000
2005-01-01 34.73670000000000000
2006-01-01 41.20120000000000000
2007-01-01 51.24390000000000000
2008-01-01 40.62100000000000000
2009-01-01 33.49750000000000000
2010-01-01 36.88940000000000000
2011-01-01 30.43360000000000000
2012-01-01 28.46500000000000000
2013-01-01 32.42140000000000000
2014-01-01 29.68340000000000000
2015-01-01 27.12760000000000000
2016-01-01 28.51210000000000000
2017-01-01 30.82290000000000000