Year	Dollars
1992-01-01	1381706
1997-01-01	1038714
2002-01-01	1971522
2003-01-01	2425730
2004-01-01	3807452
2005-01-01	5230766
2006-01-01	3382582
2007-01-01	6137206
2008-01-01	5146287
2009-01-01	5784504
2010-01-01	7611222
2011-01-01	8014690
2012-01-01	13696149
2013-01-01	4772016
2014-01-01	37091836
2015-01-01	5553227
2016-01-01	6437220