Year	Dollars
1992-01-01	45177512
1997-01-01	114682151
2002-01-01	216689404
2003-01-01	214846201
2004-01-01	259186983
2005-01-01	252554719
2006-01-01	364668823
2007-01-01	455759462
2008-01-01	524684101
2009-01-01	553996343
2010-01-01	678883380
2011-01-01	840337759
2012-01-01	832223075
2013-01-01	807070676
2014-01-01	733154065
2015-01-01	855468771
2016-01-01	758547715