Year Dollars 1992-01-01 2820039 1997-01-01 641610 2002-01-01 999264 2003-01-01 3071386 2004-01-01 5866131 2005-01-01 3909033 2006-01-01 10894603 2007-01-01 12298269 2008-01-01 3315222 2009-01-01 2332926 2010-01-01 1780899 2011-01-01 4631640 2012-01-01 16873969 2013-01-01 1591881 2014-01-01 1460269 2016-01-01 1609187