Year	Dollars
1992-01-01	13202748
1997-01-01	2335072
2002-01-01	16798413
2003-01-01	1626143
2004-01-01	3124049
2005-01-01	1209319
2006-01-01	2172492
2007-01-01	4903111
2008-01-01	8726506
2009-01-01	8875487
2010-01-01	14252742
2011-01-01	22707045
2012-01-01	21987265
2013-01-01	26398932
2014-01-01	16792300
2015-01-01	13018313
2016-01-01	9506955