Year	Dollars
1992-01-01	2439490698
1997-01-01	5227130692
2002-01-01	6030423716
2003-01-01	6395656402
2004-01-01	7244746294
2005-01-01	8073810126
2006-01-01	8691529433
2007-01-01	9637254906
2008-01-01	9149484892
2009-01-01	7305655329
2010-01-01	9431956250
2011-01-01	10521625310
2012-01-01	10578868828
2013-01-01	10484787351
2014-01-01	10887966830
2015-01-01	9682055621
2016-01-01	9936450937