Year	Dollars
1992-01-01	755038732
1997-01-01	1387254428
2002-01-01	1579349741
2003-01-01	1693085019
2004-01-01	2009232685
2005-01-01	2208923289
2006-01-01	2439486432
2007-01-01	2620266302
2008-01-01	3432091378
2009-01-01	2853302214
2010-01-01	4111295102
2011-01-01	3971975732
2012-01-01	3189578401
2013-01-01	3951613888
2014-01-01	3960387929
2015-01-01	3772235220
2016-01-01	3925317621