Year Dollars 1992-01-01 2103119 1997-01-01 221836 2002-01-01 3593014 2003-01-01 5729806 2004-01-01 3871483 2005-01-01 12447834 2006-01-01 4852316 2007-01-01 3670091 2008-01-01 5643871 2009-01-01 4197102 2010-01-01 3845948 2011-01-01 7597109 2012-01-01 22575609 2013-01-01 2164152 2014-01-01 20253090 2016-01-01 5130161