Year	Dollars
1992-01-01	20668336
1997-01-01	31580103
2002-01-01	20258461
2003-01-01	25601354
2004-01-01	27467861
2005-01-01	42517185
2006-01-01	46798415
2007-01-01	61309594
2008-01-01	64194811
2009-01-01	79208122
2010-01-01	68946632
2011-01-01	114294664
2012-01-01	115294328
2013-01-01	129543001
2014-01-01	121863645
2015-01-01	104994275
2016-01-01	119793628