Year Dollars 2002-01-01 2376385 2003-01-01 316750 2004-01-01 502460 2005-01-01 628093 2006-01-01 1014325 2007-01-01 1276470 2008-01-01 1663371 2009-01-01 2357828 2010-01-01 4263941 2011-01-01 11349340 2012-01-01 6834640 2013-01-01 11676224 2014-01-01 12619651 2015-01-01 1814920 2016-01-01 1259303