Year Dollars 1992-01-01 1361983 1997-01-01 208727 2002-01-01 566966 2004-01-01 647066 2005-01-01 1046220 2006-01-01 2131098 2007-01-01 1552950 2008-01-01 4715638 2009-01-01 2540694 2010-01-01 777562 2011-01-01 424355 2012-01-01 327487 2013-01-01 454282 2014-01-01 414015 2016-01-01 3498830