Year Dollars 1992-01-01 237843 1997-01-01 81233 2003-01-01 54270 2004-01-01 108207 2006-01-01 733705 2007-01-01 585166 2008-01-01 191557 2009-01-01 58867 2010-01-01 114471 2011-01-01 105617 2012-01-01 170043 2013-01-01 318955 2014-01-01 502811 2015-01-01 237605 2016-01-01 510762