Year	Dollars
1997-01-01	544348
2002-01-01	18885
2005-01-01	211903
2006-01-01	36757
2007-01-01	161133
2008-01-01	489494
2009-01-01	262328
2011-01-01	432561
2012-01-01	1532499
2013-01-01	1716239
2016-01-01	1302744