Year	Dollars
1997-01-01	159695
2002-01-01	28739
2006-01-01	51921
2007-01-01	518130
2008-01-01	384174
2010-01-01	1141772
2011-01-01	596050
2012-01-01	1590575
2013-01-01	195052
2014-01-01	410651
2015-01-01	600967