Year	Dollars
1992-01-01	27597055
1997-01-01	41109348
2002-01-01	38940454
2003-01-01	66040771
2004-01-01	100162520
2005-01-01	133165882
2006-01-01	137605566
2007-01-01	130369588
2008-01-01	121713151
2009-01-01	67837483
2010-01-01	95751480
2011-01-01	87537101
2012-01-01	92980696
2013-01-01	232338149
2014-01-01	158537597
2015-01-01	85189274
2016-01-01	67107138