Year	Dollars
1992-01-01	535416
1997-01-01	188138
2002-01-01	1438355
2003-01-01	916087
2004-01-01	3286104
2005-01-01	10884636
2006-01-01	3896094
2007-01-01	1567687
2008-01-01	8458674
2010-01-01	10637340
2011-01-01	14262654
2012-01-01	24910676
2013-01-01	11941718
2014-01-01	10956669
2015-01-01	3926064
2016-01-01	4914028