Year	Dollars
1997-01-01	29139
2002-01-01	219495
2003-01-01	179262
2004-01-01	366315
2005-01-01	443834
2006-01-01	625382
2007-01-01	1153506
2008-01-01	1036159
2009-01-01	1105039
2010-01-01	1862071
2011-01-01	737010
2012-01-01	464718
2013-01-01	212584
2014-01-01	158452
2015-01-01	664225
2016-01-01	381253