Year Percent 1995-01-01 7.0664600000000000 1996-01-01 9.6322000000000000 1997-01-01 12.1094000000000000 1998-01-01 7.1581399999999995 1999-01-01 14.1049000000000000 2000-01-01 53.3571000000000000 2001-01-01 34.9445000000000000 2002-01-01 62.6040000000000000 2003-01-01 86.7994000000000000 2004-01-01 75.7308000000000000 2005-01-01 73.0018000000000000 2006-01-01 102.2970000000000100 2007-01-01 121.9400000000000000 2008-01-01 81.9703000000000000 2009-01-01 15.4684000000000000 2010-01-01 9.5857100000000000 2011-01-01 27.4497000000000000 2012-01-01 29.0654000000000000