Year Percent 2000 187.97228 2001 134.64345 2002 167.18503 2003 160.01572 2004 214.01221 2005 252.91865 2006 379.71811 2007 276.35112 2008 133.56107 2009 59.79538 2010 76.96445 2011 37.60163 2012 40.71362 2013 44.33206 2014 39.95364 2015 36.12845 2016 34.22034 2017 41.07211 2018 37.14923 2019 42.24149 2020 70.11702 2021 48.41791