Year Dollars 1997-01-01 229076 2002-01-01 77967 2003-01-01 146113 2004-01-01 287106 2005-01-01 1901936 2006-01-01 693202 2007-01-01 2369067 2008-01-01 1504993 2009-01-01 2057392 2010-01-01 1027167 2011-01-01 401985 2012-01-01 529228 2013-01-01 624389 2014-01-01 1727602 2015-01-01 1094269 2016-01-01 1429223