Year	Dollars
1992-01-01	4084274
1997-01-01	7357877
2002-01-01	3130386
2003-01-01	4392785
2004-01-01	2790188
2005-01-01	6559428
2006-01-01	5556145
2007-01-01	5325617
2008-01-01	5432516
2009-01-01	4040176
2010-01-01	4229361
2011-01-01	9568165
2012-01-01	6855185
2013-01-01	9081718
2014-01-01	9229828
2015-01-01	6767328
2016-01-01	11518590