Year	Dollars
1992-01-01	22134528
1997-01-01	299863917
2004-01-01	230244743
2005-01-01	132031327
2006-01-01	228231480
2007-01-01	177280834
2008-01-01	168618286
2009-01-01	93959613
2010-01-01	98797100
2011-01-01	69034180
2012-01-01	64447394
2013-01-01	70906209
2014-01-01	49125645
2015-01-01	51669248
2016-01-01	46304996