Year Dollars 2002-01-01 298704 2003-01-01 173695 2004-01-01 285144 2005-01-01 140953 2009-01-01 859250 2010-01-01 2918306 2011-01-01 1268205 2012-01-01 1720870 2013-01-01 4960553 2014-01-01 5991650 2015-01-01 5388028 2016-01-01 5479100