Annual Percent
1975-01-01 0.68875000000000000
1976-01-01 0.57826000000000000
1977-01-01 0.40978100000000006
1978-01-01 0.45115900000000003
1979-01-01 0.68636200000000000
1980-01-01 1.23380000000000000
1981-01-01 2.00461000000000000
1982-01-01 1.46647000000000020
1983-01-01 0.71719600000000010
1984-01-01 0.85068199999999990
1985-01-01 1.90483000000000000
1986-01-01 4.35720000000000000
1987-01-01 4.79579000000000000
1988-01-01 3.59683000000000000
1989-01-01 3.89041999999999980
1990-01-01 3.86375999999999960
1991-01-01 2.61639000000000000
1992-01-01 1.95075000000000000
1993-01-01 4.09773000000000000
1994-01-01 8.35554000000000000
1995-01-01 8.86162000000000000
1996-01-01 7.45853999999999900
1997-01-01 11.92010000000000000
1998-01-01 27.03920000000000000
1999-01-01 40.05050000000000000
2000-01-01 63.44860000000000000
2001-01-01 67.61940000000000000
2002-01-01 47.83500000000000000
2003-01-01 45.48570000000000000
2004-01-01 47.53180000000000000
2005-01-01 52.88630000000000000
2006-01-01 58.69920000000000000
2007-01-01 79.91100000000000000
2008-01-01 79.43250000000000000
2009-01-01 51.32030000000000000
2010-01-01 36.54800000000000000
2011-01-01 34.00550000000000000
2012-01-01 37.96380000000000000
2013-01-01 37.16370000000000000
2014-01-01 65.78410000000000000