Year	Dollars
1992-01-01	76613303
1997-01-01	283176787
2002-01-01	288363494
2003-01-01	341527801
2004-01-01	324204538
2005-01-01	330701214
2006-01-01	389571645
2007-01-01	359770979
2008-01-01	407688482
2009-01-01	438621114
2010-01-01	394779620
2011-01-01	437254381
2012-01-01	576473316
2013-01-01	414879783
2014-01-01	432785668
2015-01-01	399402015
2016-01-01	397181284