Year	Dollars
1992-01-01	467198
1997-01-01	230426
2002-01-01	1122778
2003-01-01	1202883
2004-01-01	1955388
2005-01-01	5668821
2006-01-01	9198520
2007-01-01	15932252
2008-01-01	28035037
2009-01-01	11693715
2010-01-01	4164751
2011-01-01	7697222
2012-01-01	14918221
2013-01-01	12133657
2014-01-01	10923722
2015-01-01	9645111
2016-01-01	7337891