Year	Dollars
1992-01-01	31889221
1997-01-01	22433945
2002-01-01	23932552
2003-01-01	23427963
2004-01-01	21079377
2005-01-01	25381962
2006-01-01	24761493
2007-01-01	36930508
2008-01-01	35795947
2009-01-01	29083133
2010-01-01	71502870
2011-01-01	59495967
2012-01-01	31742394
2013-01-01	38649001
2014-01-01	28081962
2015-01-01	35434550
2016-01-01	19104246