Year	Dollars
1992-01-01	23588956
1997-01-01	117618591
2002-01-01	164344145
2003-01-01	170626368
2004-01-01	513078680
2005-01-01	193361073
2006-01-01	189537480
2007-01-01	189698006
2008-01-01	259667335
2009-01-01	235371459
2010-01-01	213277915
2011-01-01	143558940
2012-01-01	179330322
2013-01-01	256567851
2014-01-01	290684196
2015-01-01	180438370
2016-01-01	321608071