Year	Dollars
1992-01-01	6066207
1997-01-01	12825693
2002-01-01	4117646
2003-01-01	3936773
2004-01-01	4389969
2005-01-01	19246570
2006-01-01	10866250
2007-01-01	5509308
2008-01-01	7354541
2009-01-01	11245226
2010-01-01	17177637
2011-01-01	6638555
2012-01-01	3757973
2013-01-01	3148572
2014-01-01	3397156
2015-01-01	4371345
2016-01-01	6277636