Year Dollars 1992-01-01 1888496 1997-01-01 386109 2002-01-01 2522285 2003-01-01 485758 2004-01-01 1096706 2005-01-01 461980 2006-01-01 1673756 2007-01-01 1288771 2008-01-01 718325 2009-01-01 375601 2010-01-01 2440400 2011-01-01 1611704 2012-01-01 700309 2014-01-01 431298 2015-01-01 361626 2016-01-01 776690