Year	Dollars
1992-01-01	4779093
1997-01-01	7811890
2002-01-01	10316085
2003-01-01	8207402
2004-01-01	17022770
2005-01-01	10310318
2006-01-01	21533299
2007-01-01	14344652
2008-01-01	15001772
2009-01-01	10875472
2010-01-01	17043494
2011-01-01	37860996
2012-01-01	16907114
2013-01-01	12356562
2014-01-01	10855932
2015-01-01	15915215
2016-01-01	15195530