Year Dollars 1997-01-01 14974 2002-01-01 52280 2004-01-01 85029 2005-01-01 129261 2006-01-01 104315 2007-01-01 337003 2008-01-01 399232 2009-01-01 165330 2010-01-01 164408 2011-01-01 173641 2012-01-01 776718 2013-01-01 1081785 2014-01-01 1403527 2015-01-01 1474071 2016-01-01 1458961