Year Percent 1995-01-01 8.76325000000000 1996-01-01 9.16380000000000 1997-01-01 6.11373000000000 1998-01-01 13.86160000000000 1999-01-01 42.91740000000000 2000-01-01 29.76250000000000 2001-01-01 30.78120000000000 2002-01-01 26.35670000000000 2003-01-01 12.78540000000000 2004-01-01 12.24930000000000 2005-01-01 6.19463000000000 2006-01-01 110.35000000000000 2007-01-01 179.97099999999998 2008-01-01 11.83530000000000 2009-01-01 25.86240000000000 2010-01-01 27.09730000000000