Year Percent 1995 32.05433 1996 27.96946 1997 27.30613 1998 34.14547 1999 44.83712 2000 43.8386 2001 42.52557 2002 58.89609 2003 124.97331 2004 109.26006 2005 112.7947 2006 102.57217 2007 83.70049 2008 72.0458 2009 94.65178 2010 85.41284 2011 65.41083 2012 69.96105 2013 57.57324 2014 56.21273 2015 62.54025 2016 62.89744