Year	Dollars
1992-01-01	3163719
1997-01-01	9460960
2002-01-01	15841387
2003-01-01	18699879
2004-01-01	42082265
2005-01-01	35244649
2006-01-01	48358770
2007-01-01	32195996
2008-01-01	27816852
2009-01-01	25649375
2010-01-01	33682148
2011-01-01	44454533
2012-01-01	48284872
2013-01-01	32822748
2014-01-01	47039766
2015-01-01	32411106
2016-01-01	30493054