Year Dollars 2003-01-01 261288 2005-01-01 156828 2006-01-01 441356 2009-01-01 313745 2010-01-01 754432 2011-01-01 1353093 2012-01-01 1815668 2014-01-01 1710612 2015-01-01 1138022 2016-01-01 931764