Year Dollars 1992-01-01 185980 1997-01-01 310615 2002-01-01 509150 2003-01-01 2700713 2004-01-01 852578 2005-01-01 1008287 2006-01-01 834842 2007-01-01 1540098 2008-01-01 1306734 2009-01-01 820482 2010-01-01 753341 2011-01-01 320204 2012-01-01 356768 2013-01-01 304917 2014-01-01 549631 2015-01-01 248964 2016-01-01 518772