Year	Dollars
1992-01-01	3062045
1997-01-01	6857016
2002-01-01	4492523
2003-01-01	4604856
2004-01-01	4768637
2005-01-01	3751572
2006-01-01	12796377
2007-01-01	19938805
2008-01-01	8406639
2009-01-01	7056742
2010-01-01	7482207
2011-01-01	11171434
2012-01-01	10392889
2013-01-01	13355304
2014-01-01	16326483
2015-01-01	11504603
2016-01-01	11616570