Year	Dollars
1997-01-01	4226957
2004-01-01	102743
2005-01-01	357934
2007-01-01	362549
2008-01-01	413292
2009-01-01	631518
2011-01-01	538683
2012-01-01	711527
2013-01-01	697829
2014-01-01	1031454
2015-01-01	856971
2016-01-01	730803