Year	Dollars
1992-01-01	1583244264
2002-01-01	3786254907
2003-01-01	3141285131
2004-01-01	3044815787
2005-01-01	5035093908
2006-01-01	6767061503
2007-01-01	9514824149
2008-01-01	9803038952
2009-01-01	8743277974
2010-01-01	9587748375
2011-01-01	10064405100
2012-01-01	13124767627
2013-01-01	15488434859
2014-01-01	19253584147
2015-01-01	18086131134