Year	Dollars
1992-01-01	150728883
1997-01-01	234893617
2002-01-01	257211507
2003-01-01	283072597
2004-01-01	288648102
2005-01-01	335183345
2006-01-01	338741237
2007-01-01	319787060
2008-01-01	375935493
2009-01-01	320707751
2010-01-01	336121824
2011-01-01	360521020
2012-01-01	441325502
2013-01-01	471058100
2014-01-01	437755427
2015-01-01	437766019
2016-01-01	417802234