Year	Dollars
1992-01-01	1214525
1997-01-01	5369332
2002-01-01	2043504
2003-01-01	1200064
2004-01-01	985676
2005-01-01	1553216
2006-01-01	4137993
2007-01-01	5962799
2008-01-01	9379523
2009-01-01	8134383
2010-01-01	4304152
2011-01-01	15530545
2012-01-01	18772082
2013-01-01	20828659
2014-01-01	30201410
2015-01-01	21086024
2016-01-01	16106646