Year per Person 2003 0.1323 2004 0.90983 2005 0.90473 2006 0.77178 2007 0.69968 2008 0.60092 2009 0.53788 2010 0.53864 2011 0.48591 2012 0.41789 2013 0.33195 2014 0.31917 2015 0.27217 2016 0.26626