Year Dollars 1992-01-01 385661 1997-01-01 768649 2002-01-01 592854 2003-01-01 971552 2004-01-01 5749545 2005-01-01 4098690 2006-01-01 4140189 2007-01-01 2012290 2008-01-01 2378459 2009-01-01 1852562 2010-01-01 1536082 2012-01-01 1302367 2013-01-01 1316965 2014-01-01 1130282 2015-01-01 2141009 2016-01-01 1185919