Year Dollars 2004-01-01 423224 2006-01-01 6151103 2007-01-01 7540627 2008-01-01 2820579 2009-01-01 1995357 2010-01-01 3059291 2011-01-01 4176337 2012-01-01 4456428 2013-01-01 2709634 2014-01-01 3763167 2015-01-01 5838888 2016-01-01 10601249