Year Dollars 1992-01-01 147948 1997-01-01 230327 2002-01-01 124833 2003-01-01 345514 2004-01-01 759993 2005-01-01 122097 2006-01-01 173086 2007-01-01 47005 2008-01-01 233020 2009-01-01 216957 2010-01-01 175141 2011-01-01 303074 2012-01-01 551394 2013-01-01 452443 2014-01-01 427910 2015-01-01 351389