Year Dollars 1997-01-01 72091 2002-01-01 192363 2003-01-01 142718 2004-01-01 487277 2005-01-01 473573 2006-01-01 499885 2007-01-01 628246 2008-01-01 1013646 2009-01-01 798617 2010-01-01 564399 2011-01-01 1172080 2012-01-01 1839571 2013-01-01 755194 2014-01-01 1483253 2015-01-01 1295797 2016-01-01 1250851