Year	Dollars
1992-01-01	2480993
1997-01-01	3757860
2002-01-01	4814291
2003-01-01	9561556
2004-01-01	8673493
2005-01-01	8074310
2006-01-01	12619532
2007-01-01	30132408
2008-01-01	14793700
2009-01-01	12237560
2010-01-01	10639457
2011-01-01	16273703
2012-01-01	23610577
2013-01-01	22981911
2014-01-01	31185064
2015-01-01	27337611
2016-01-01	15577869