Year	Dollars
1992-01-01	5663468
1997-01-01	20086315
2002-01-01	13546453
2003-01-01	11941539
2004-01-01	25241032
2005-01-01	18289605
2006-01-01	23695288
2007-01-01	29229795
2008-01-01	35289122
2009-01-01	28058232
2010-01-01	38945453
2011-01-01	46212307
2012-01-01	44127011
2013-01-01	51967581
2014-01-01	45893774
2015-01-01	57429493
2016-01-01	59658438