Year	Dollars
1992-01-01	1740320
1997-01-01	3660230
2002-01-01	7846860
2003-01-01	7024814
2004-01-01	11131035
2005-01-01	11695624
2006-01-01	6521154
2007-01-01	8449765
2008-01-01	8881670
2009-01-01	14516880
2010-01-01	9017678
2011-01-01	21734894
2012-01-01	21236511
2013-01-01	23431979
2014-01-01	45142206
2015-01-01	52491883
2016-01-01	45481108