Year	Dollars
1992-01-01	15238772
1997-01-01	3280121
2002-01-01	2102130
2003-01-01	1329445
2004-01-01	8631792
2005-01-01	2097212
2006-01-01	6816547
2007-01-01	3653120
2008-01-01	5626518
2010-01-01	6049605
2011-01-01	4464833
2012-01-01	3705191
2013-01-01	1907391
2014-01-01	1625981
2015-01-01	7486000
2016-01-01	955948