Year	Dollars
1992-01-01	30411877
1997-01-01	41712043
2002-01-01	194288684
2003-01-01	165202347
2004-01-01	203517345
2005-01-01	250450702
2006-01-01	354404028
2007-01-01	481880633
2008-01-01	502461649
2009-01-01	340148130
2010-01-01	505557005
2011-01-01	657642709
2012-01-01	1071821388
2013-01-01	1478170486
2014-01-01	1028374044
2015-01-01	775987985
2016-01-01	650651448