Year	Dollars
1992-01-01	9024259
1997-01-01	18004706
2002-01-01	27909241
2003-01-01	38949109
2004-01-01	44771033
2005-01-01	73502372
2006-01-01	60316269
2007-01-01	71081472
2008-01-01	62321949
2009-01-01	39868542
2010-01-01	38566342
2011-01-01	60237438
2012-01-01	63206971
2013-01-01	49618843
2014-01-01	47905572
2015-01-01	47413696
2016-01-01	31176284