Year Dollars 1992-01-01 376259 1997-01-01 517234 2002-01-01 1787310 2003-01-01 1516883 2004-01-01 1359353 2005-01-01 838071 2006-01-01 1075872 2007-01-01 1504012 2008-01-01 2052320 2009-01-01 3620734 2010-01-01 2104762 2011-01-01 1957229 2012-01-01 1529232 2013-01-01 1063340 2014-01-01 1556169 2015-01-01 4597335 2016-01-01 1184794