Year Dollars 1992-01-01 323793 1997-01-01 79722 2002-01-01 100424 2003-01-01 163456 2004-01-01 54203 2006-01-01 309123 2007-01-01 465064 2008-01-01 93569 2009-01-01 270218 2010-01-01 72791 2011-01-01 104919 2012-01-01 193326 2013-01-01 387417 2014-01-01 465319 2015-01-01 578014 2016-01-01 292978