Year	Dollars
1992-01-01	8796649
1997-01-01	4781510
2002-01-01	33405785
2003-01-01	45854044
2004-01-01	65140586
2005-01-01	148445431
2006-01-01	168140724
2007-01-01	256392496
2008-01-01	355605263
2009-01-01	378686543
2010-01-01	655008106
2011-01-01	590865017
2012-01-01	599380380
2013-01-01	585023747
2014-01-01	616311262
2015-01-01	252412147
2016-01-01	225746797