Year	Dollars
1992-01-01	4177805
1997-01-01	8129192
2002-01-01	9655732
2003-01-01	7394954
2004-01-01	24357848
2005-01-01	16438313
2006-01-01	14301457
2007-01-01	26032007
2008-01-01	30995110
2009-01-01	15953283
2010-01-01	18975550
2011-01-01	20081868
2012-01-01	16901489
2013-01-01	22733559
2014-01-01	18608885
2015-01-01	18094869
2016-01-01	11499675