Year	Dollars
1992-01-01	30820680
1997-01-01	44852738
2002-01-01	82790751
2003-01-01	98702163
2004-01-01	78388612
2005-01-01	69329339
2006-01-01	64332264
2007-01-01	95436749
2008-01-01	213231652
2009-01-01	137684925
2010-01-01	64984586
2011-01-01	186057362
2012-01-01	167806701
2013-01-01	234010691
2014-01-01	210579833
2015-01-01	234377008
2016-01-01	240828654