Year	Dollars
1992-01-01	5360556
1997-01-01	15049270
2002-01-01	6060634
2003-01-01	8797646
2004-01-01	13503381
2005-01-01	22228880
2006-01-01	24081184
2007-01-01	29790881
2008-01-01	33969153
2009-01-01	22909785
2010-01-01	37166265
2011-01-01	28452391
2012-01-01	19364851
2013-01-01	20800608
2014-01-01	21223317
2015-01-01	23874026
2016-01-01	19106825