Year Dollars 1997-01-01 114947 2002-01-01 590584 2003-01-01 135898 2004-01-01 233305 2005-01-01 197939 2006-01-01 523356 2008-01-01 1710766 2011-01-01 268118 2012-01-01 486847 2013-01-01 1068940 2014-01-01 1342012 2015-01-01 1385498 2016-01-01 1380128