Year	Dollars
1992-01-01	1788717
1997-01-01	10310223
2002-01-01	4903501
2003-01-01	2100845
2004-01-01	3372733
2005-01-01	9933425
2006-01-01	5789912
2007-01-01	7535488
2008-01-01	8682659
2009-01-01	40584262
2010-01-01	52890437
2011-01-01	114923243
2012-01-01	29943581
2013-01-01	19679998
2014-01-01	10789030
2015-01-01	3427862
2016-01-01	11783235