Year	Dollars
1992-01-01	3836307
1997-01-01	1380358
2002-01-01	18436026
2003-01-01	9638822
2004-01-01	6669298
2005-01-01	4288784
2006-01-01	12904040
2007-01-01	16647255
2008-01-01	11064026
2009-01-01	14861700
2010-01-01	23340995
2011-01-01	8941155
2012-01-01	16534591
2013-01-01	34152512
2014-01-01	33090848
2015-01-01	13930145
2016-01-01	10415154