Year Dollars 1992-01-01 1530861 1997-01-01 258220 2002-01-01 1696819 2003-01-01 1511248 2004-01-01 2211348 2005-01-01 4937660 2006-01-01 6865075 2007-01-01 24667239 2008-01-01 31910353 2011-01-01 23911000 2012-01-01 24881640 2013-01-01 18686113 2014-01-01 7561077 2015-01-01 11562980 2016-01-01 3045661