Year	Dollars
1992-01-01	2747970
1997-01-01	8070382
2002-01-01	10313935
2003-01-01	13612036
2004-01-01	11919325
2005-01-01	16224698
2006-01-01	19652392
2007-01-01	20875819
2008-01-01	22394712
2009-01-01	16403136
2010-01-01	18588541
2011-01-01	32634621
2012-01-01	18581351
2013-01-01	14956082
2014-01-01	24237065
2015-01-01	20821133
2016-01-01	36183940