Year	Dollars
1992-01-01	9713708
1997-01-01	8961598
2002-01-01	4147533
2003-01-01	7910341
2004-01-01	8852919
2005-01-01	10162624
2006-01-01	10371009
2007-01-01	10993462
2008-01-01	15575709
2009-01-01	13179088
2010-01-01	15607254
2011-01-01	15104910
2012-01-01	14590070
2013-01-01	20697217
2014-01-01	50410829
2015-01-01	10584101