Year Percent 1989-01-01 26.190400000000000 1990-01-01 24.624600000000000 1991-01-01 16.433100000000000 1992-01-01 19.309800000000000 1993-01-01 55.385400000000000 1994-01-01 75.315100000000000 1995-01-01 44.596000000000004 1996-01-01 42.554500000000000 1997-01-01 68.559500000000000 1998-01-01 104.729000000000000 1999-01-01 74.329800000000000 2000-01-01 141.467000000000000 2001-01-01 93.557300000000000 2002-01-01 111.272000000000000 2003-01-01 123.071000000000000 2004-01-01 122.587000000000000 2005-01-01 132.455000000000000 2006-01-01 131.639000000000000 2007-01-01 201.872000000000000 2008-01-01 163.656000000000000 2009-01-01 161.084000000000000 2010-01-01 114.551000000000000 2011-01-01 169.585999999999980 2012-01-01 176.938000000000000 2013-01-01 137.955000000000000 2014-01-01 341.236000000000000