Year	Dollars
1992-01-01	4710103
1997-01-01	14793015
2002-01-01	10023003
2003-01-01	9231204
2004-01-01	12821462
2005-01-01	13561736
2006-01-01	18420199
2007-01-01	22516434
2008-01-01	30848126
2009-01-01	24898684
2010-01-01	28094898
2011-01-01	40630145
2012-01-01	80858703
2013-01-01	47529469
2014-01-01	62112652
2015-01-01	57480521
2016-01-01	41469566