Year	Dollars
1992-01-01	1787315173
1997-01-01	1379181207
2002-01-01	984161482
2003-01-01	765407128
2004-01-01	432368414
2005-01-01	537897484
2006-01-01	970608079
2007-01-01	1348554687
2008-01-01	1215119609
2009-01-01	1427979327
2010-01-01	1648980414
2011-01-01	1387325031
2012-01-01	1677233417
2013-01-01	2085669995
2014-01-01	2035720074
2015-01-01	1813380067
2016-01-01	689221050