Year	Dollars
1992-01-01	1008872
1997-01-01	3665477
2002-01-01	5681040
2003-01-01	5457888
2004-01-01	6616115
2005-01-01	11777323
2006-01-01	22969734
2007-01-01	22260713
2008-01-01	34462576
2009-01-01	23858207
2010-01-01	37457209
2011-01-01	72002760
2012-01-01	48555205
2013-01-01	48988831
2014-01-01	76704255
2015-01-01	63896293
2016-01-01	50157256