Year	Dollars
1992-01-01	4304010
1997-01-01	12226207
2002-01-01	26033913
2003-01-01	6724308
2004-01-01	26544612
2005-01-01	11617535
2006-01-01	18331241
2007-01-01	17982315
2008-01-01	52343148
2009-01-01	47991715
2013-01-01	7592059
2014-01-01	39371485
2015-01-01	17333673
2016-01-01	13821599