Year	Dollars
1992-01-01	3705772
1997-01-01	8293116
2002-01-01	9173771
2003-01-01	4977573
2004-01-01	13593530
2005-01-01	60699143
2007-01-01	20992712
2008-01-01	13932426
2009-01-01	5813348
2010-01-01	16238799
2011-01-01	23294078
2012-01-01	38771308
2013-01-01	111826121
2014-01-01	52195140
2015-01-01	36475885
2016-01-01	35735771