Year	Dollars
1992-01-01	6122642675
1997-01-01	5707502739
2002-01-01	4230051631
2003-01-01	5281451358
2004-01-01	6141009798
2005-01-01	6306784627
2006-01-01	6605562066
2007-01-01	7603726129
2008-01-01	8808749952
2009-01-01	5516839445
2010-01-01	6079838830
2011-01-01	6427924330
2012-01-01	8974816116
2013-01-01	6961667681
2014-01-01	7207656045
2015-01-01	5849158672
2016-01-01	7041230774