Year	Dollars
1992-01-01	4943030
1997-01-01	12561205
2002-01-01	4241864
2003-01-01	3531529
2004-01-01	4844098
2005-01-01	9150687
2006-01-01	13143049
2007-01-01	14768336
2008-01-01	19096731
2009-01-01	13120764
2010-01-01	14834185
2011-01-01	14702333
2012-01-01	15591074
2013-01-01	19505669
2014-01-01	18452086
2015-01-01	17500619
2016-01-01	16074286