Year	Dollars
1992-01-01	28370360
1997-01-01	7007214
2002-01-01	15574706
2003-01-01	38621208
2004-01-01	22191355
2005-01-01	8589072
2006-01-01	34333231
2007-01-01	16420734
2008-01-01	17868319
2009-01-01	27011172
2010-01-01	30881260
2011-01-01	80181911
2012-01-01	105462940
2013-01-01	61834431
2014-01-01	42736660
2015-01-01	33633908
2016-01-01	15628858