Year	Dollars
1997-01-01	267441
2002-01-01	172562
2003-01-01	79178
2005-01-01	235643
2006-01-01	3038399
2007-01-01	777942
2008-01-01	1934975
2009-01-01	2031528
2010-01-01	916807
2011-01-01	12074209
2013-01-01	14804852
2014-01-01	7724200
2015-01-01	4801163