Year	Dollars
1992-01-01	23651362
1997-01-01	6276055
2002-01-01	4328523
2003-01-01	7418960
2004-01-01	8068718
2005-01-01	10808904
2006-01-01	9790413
2007-01-01	14509472
2008-01-01	22303764
2009-01-01	44670353
2010-01-01	59847581
2011-01-01	41145767
2012-01-01	11049711
2013-01-01	7896409
2014-01-01	14520666
2015-01-01	29171223
2016-01-01	35746763