Year	Dollars
1992-01-01	132242917
1997-01-01	292857010
2002-01-01	229752633
2003-01-01	231925235
2004-01-01	262582213
2005-01-01	276027168
2006-01-01	348361609
2007-01-01	336849274
2008-01-01	381478517
2009-01-01	388357465
2010-01-01	495932891
2011-01-01	541407236
2012-01-01	479538327
2013-01-01	489339485
2014-01-01	528584625
2015-01-01	506450378
2016-01-01	571603059