Year Dollars 1992-01-01 341488 1997-01-01 394779 2002-01-01 276724 2003-01-01 1908231 2004-01-01 2343722 2005-01-01 4390731 2006-01-01 1632495 2007-01-01 1212342 2008-01-01 1614361 2009-01-01 815620 2010-01-01 2274044 2011-01-01 1151287 2012-01-01 2308693 2013-01-01 1042870 2014-01-01 1123204 2015-01-01 1012594 2016-01-01 1681897