Year Per Capita 2004 527.28754 2005 505.65126 2006 494.0835 2007 499.0807 2008 514.37214 2009 528.02038 2010 544.80902 2011 503.10676 2012 516.61482 2013 528.61626 2014 515.36359 2015 519.37667 2016 516.50533 2017 518.48602