Year	Dollars
1992-01-01	1663551
1997-01-01	2095826
2002-01-01	4755768
2003-01-01	5135302
2004-01-01	6616297
2005-01-01	9600744
2006-01-01	10347042
2007-01-01	10398003
2008-01-01	16631831
2009-01-01	20597053
2010-01-01	9585416
2011-01-01	8035571
2012-01-01	4283654
2013-01-01	3746251
2014-01-01	3893947
2015-01-01	6417823
2016-01-01	4578438