Year Dollars 1992-01-01 1490655 1997-01-01 2060583 2002-01-01 375826 2003-01-01 337687 2004-01-01 406276 2005-01-01 432199 2006-01-01 1205083 2007-01-01 1918825 2008-01-01 3108806 2009-01-01 2143888 2010-01-01 640505 2011-01-01 1663147 2012-01-01 598741 2013-01-01 1596234 2014-01-01 770502 2015-01-01 793036 2016-01-01 1667228