Year	Dollars
1992-01-01	4268402
1997-01-01	20488240
2002-01-01	13214064
2003-01-01	9576408
2004-01-01	16442569
2005-01-01	15413568
2006-01-01	26379614
2007-01-01	25364339
2008-01-01	37256045
2009-01-01	33744236
2010-01-01	43988136
2011-01-01	40845524
2012-01-01	66640382
2013-01-01	42308270
2014-01-01	43684745
2015-01-01	45122349
2016-01-01	42700494