Year	Dollars
1992-01-01	23670019
1997-01-01	146697163
2002-01-01	285062553
2005-01-01	841387083
2006-01-01	1014675336
2007-01-01	983087282
2009-01-01	738865504
2010-01-01	799227843
2011-01-01	523021007
2012-01-01	183311239
2013-01-01	360014941
2014-01-01	475746170
2015-01-01	589040440
2016-01-01	501885729