Year	Dollars
1992-01-01	15552326
1997-01-01	19001829
2002-01-01	10258753
2003-01-01	12939384
2004-01-01	11238835
2005-01-01	25780724
2006-01-01	31098377
2007-01-01	73652119
2008-01-01	27310778
2009-01-01	9248587
2010-01-01	9253992
2011-01-01	15124363
2012-01-01	19075776
2013-01-01	18138994
2014-01-01	18923974
2015-01-01	47005227
2016-01-01	60587943