Year Percent 1995 258.92761 1996 74.1841 1997 55.89734 1998 58.48792 1999 98.02532 2000 44.58399 2001 35.61918 2002 26.80033 2003 21.47691 2004 22.59573 2005 16.73866 2006 16.5089 2007 12.72359 2008 7.67621 2009 10.01912 2010 15.10026 2011 15.11911 2012 14.69627 2013 13.50259 2014 15.0747 2015 10.01648 2016 11.47397 2017 9.75806 2018 7.12114 2019 9.04993 2020 9.38048 2021 9.25667