Year	Dollars
1992-01-01	106374599
1997-01-01	202320434
2002-01-01	272795481
2003-01-01	346490711
2004-01-01	401455380
2005-01-01	371278942
2006-01-01	303960350
2007-01-01	459817805
2008-01-01	477117979
2009-01-01	433107095
2010-01-01	437212403
2011-01-01	1043691217
2012-01-01	1289698279
2013-01-01	1229519423
2014-01-01	1183553364
2015-01-01	1251214964
2016-01-01	1257943158