Year	Dollars
1992-01-01	26639619
1997-01-01	85870247
2002-01-01	52512481
2003-01-01	74016288
2004-01-01	120956049
2005-01-01	154479613
2006-01-01	178307323
2007-01-01	426989022
2008-01-01	243393808
2009-01-01	168166526
2010-01-01	206562343
2011-01-01	384873889
2012-01-01	845492446
2013-01-01	1492916327