Year	Dollars
1992-01-01	63103140
1997-01-01	66520549
2002-01-01	36151496
2003-01-01	45144987
2004-01-01	60894260
2005-01-01	65245577
2006-01-01	65186971
2007-01-01	82309585
2008-01-01	108794739
2009-01-01	81096127
2010-01-01	126971497
2011-01-01	131204032
2012-01-01	212378795
2013-01-01	158729583
2014-01-01	161601281
2015-01-01	145389341
2016-01-01	150216754