Year	Dollars
1992-01-01	3906955
1997-01-01	4974550
2002-01-01	8051153
2003-01-01	6175886
2004-01-01	6935666
2005-01-01	12337252
2006-01-01	22330830
2007-01-01	21240637
2008-01-01	75468526
2009-01-01	26411863
2010-01-01	26392583
2011-01-01	51438936
2012-01-01	18455462
2013-01-01	28484715
2014-01-01	42115692
2015-01-01	37158931
2016-01-01	29144397