Year	Dollars
1992-01-01	3728230
1997-01-01	23622801
2002-01-01	17789496
2003-01-01	28797577
2004-01-01	30468528
2005-01-01	40337109
2006-01-01	51242310
2007-01-01	43087139
2008-01-01	57742406
2009-01-01	79340468
2010-01-01	37930884
2011-01-01	63643115
2012-01-01	113541975
2013-01-01	157611009
2014-01-01	96017373
2015-01-01	84821493
2016-01-01	134004234