Year	Dollars
1992-01-01	53970984
1997-01-01	232802972
2002-01-01	121015338
2003-01-01	189573375
2004-01-01	207338898
2005-01-01	169941428
2006-01-01	415314887
2007-01-01	425445146
2009-01-01	276370085
2010-01-01	322066065
2011-01-01	488573521
2012-01-01	399681997
2013-01-01	539367005
2014-01-01	457793232
2015-01-01	384632245
2016-01-01	441200772