Year	Dollars
1992-01-01	16850524
1997-01-01	11226371
2002-01-01	5301653
2003-01-01	11032069
2004-01-01	12810167
2005-01-01	9692933
2006-01-01	13695882
2007-01-01	26624158
2008-01-01	22409504
2009-01-01	15621101
2010-01-01	26171068
2011-01-01	39096141
2012-01-01	58456519
2013-01-01	64182426
2014-01-01	52254478
2015-01-01	42238433
2016-01-01	37997205