Year	Dollars
1992-01-01	1410413110
1997-01-01	2707405188
2002-01-01	3434961174
2003-01-01	3590150068
2004-01-01	4494959808
2005-01-01	5343239134
2006-01-01	6275563840
2007-01-01	6134056175
2008-01-01	5758747152
2009-01-01	5183969359
2010-01-01	6490624128
2011-01-01	7561249303
2012-01-01	7674976804
2013-01-01	7786587884
2014-01-01	8254317343
2015-01-01	7746339840
2016-01-01	7875615044