Year	Dollars
1992-01-01	2595314
1997-01-01	4246235
2002-01-01	3280843
2003-01-01	6538900
2004-01-01	2564407
2005-01-01	3185557
2006-01-01	2855451
2007-01-01	5492963
2008-01-01	7555929
2009-01-01	12124895
2010-01-01	10907578
2011-01-01	20164454
2012-01-01	20791008
2013-01-01	24327834
2014-01-01	29955517
2015-01-01	16888708
2016-01-01	13493709