Year Dollars 1992-01-01 1540194 1997-01-01 2432106 2002-01-01 4408175 2003-01-01 3302345 2004-01-01 3812680 2005-01-01 3069706 2006-01-01 3376639 2007-01-01 5910542 2008-01-01 6872195 2009-01-01 4023849 2010-01-01 6356249 2011-01-01 14093830 2012-01-01 15079119 2013-01-01 14460567 2014-01-01 16771067 2015-01-01 12447315 2016-01-01 9292405