Year	Dollars
1992-01-01	18567983
1997-01-01	36309801
2002-01-01	21807415
2003-01-01	29311292
2004-01-01	36740121
2005-01-01	40102886
2006-01-01	35044665
2007-01-01	51971613
2008-01-01	47920128
2009-01-01	27363701
2010-01-01	33723449
2011-01-01	43460788
2012-01-01	31359188
2013-01-01	61614912
2014-01-01	38963461
2015-01-01	44798382
2016-01-01	67831765