Year	Dollars
1992-01-01	51933387
1997-01-01	98353677
2002-01-01	74555518
2003-01-01	92222982
2004-01-01	106914651
2005-01-01	104009028
2006-01-01	104157481
2007-01-01	155606217
2008-01-01	212765368
2009-01-01	181403457
2010-01-01	330798490
2011-01-01	502788542
2012-01-01	623586023
2013-01-01	582089454
2014-01-01	553750622
2015-01-01	548442923
2016-01-01	364409434