Year Dollars 2002-01-01 70549 2003-01-01 126970 2004-01-01 319190 2006-01-01 1030159 2007-01-01 2429112 2008-01-01 1564406 2009-01-01 2932629 2010-01-01 2054141 2011-01-01 3101250 2012-01-01 3455840 2013-01-01 3949767 2014-01-01 6169085 2016-01-01 7288167