Year	Dollars
1997-01-01	8447517
2002-01-01	57745652
2003-01-01	63530618
2004-01-01	83743710
2005-01-01	109940189
2006-01-01	127012848
2007-01-01	154900145
2008-01-01	242645880
2009-01-01	151509477
2010-01-01	210252026
2011-01-01	150363700
2012-01-01	125242429
2013-01-01	123393542
2014-01-01	189743690
2015-01-01	142828421
2016-01-01	202654577