Year	Dollars
1992-01-01	22874435
1997-01-01	29823646
2002-01-01	27864325
2003-01-01	21037588
2004-01-01	27519582
2005-01-01	30162262
2006-01-01	36093601
2007-01-01	38871456
2008-01-01	44701867
2009-01-01	25418471
2010-01-01	29154697
2011-01-01	23423324
2012-01-01	17716213
2013-01-01	20334610
2014-01-01	20995731
2015-01-01	23229115
2016-01-01	25830357