Year	Dollars
1997-01-01	5098193
2004-01-01	2223560
2007-01-01	25629725
2010-01-01	21045153
2011-01-01	10141670
2012-01-01	13632927
2013-01-01	8351965
2015-01-01	56647665
2016-01-01	30985320