Year Dollars 1992-01-01 258001 1997-01-01 879085 2002-01-01 351149 2003-01-01 7659840 2004-01-01 376722 2005-01-01 1172520 2006-01-01 1705586 2007-01-01 2302657 2008-01-01 2211863 2010-01-01 7286936 2011-01-01 15807643 2012-01-01 2258796 2013-01-01 2250846 2014-01-01 5006424 2015-01-01 5081038 2016-01-01 2037397