Year	Dollars
1997-01-01	124187
2002-01-01	383165
2003-01-01	379542
2004-01-01	459807
2005-01-01	749665
2006-01-01	738324
2007-01-01	1207974
2008-01-01	1652887
2011-01-01	8440250
2012-01-01	14883046
2013-01-01	9625019
2014-01-01	1251392
2015-01-01	320522
2016-01-01	185785