Year	Dollars
1992-01-01	2205993519
1997-01-01	4680789721
2002-01-01	4424627607
2003-01-01	4860219933
2004-01-01	5962526949
2005-01-01	6786793777
2006-01-01	7831484873
2007-01-01	9066617849
2008-01-01	11338465911
2009-01-01	8499420107
2010-01-01	10216065360
2011-01-01	12427191956
2012-01-01	13465819237
2013-01-01	12761333953
2014-01-01	13380903830
2015-01-01	11776612589
2016-01-01	10832415097