Year Dollars 2003-01-01 85062 2006-01-01 324792 2008-01-01 145525 2010-01-01 590350 2011-01-01 452781 2012-01-01 1158459 2013-01-01 1027974 2014-01-01 1463244 2015-01-01 3216912 2016-01-01 465210