Year	Dollars
1992-01-01	138981418
1997-01-01	276179826
2002-01-01	306648490
2003-01-01	244615565
2004-01-01	216514037
2005-01-01	148914278
2006-01-01	171570697
2007-01-01	140549229
2008-01-01	226064735
2009-01-01	85003798
2010-01-01	119256550
2011-01-01	115888758
2012-01-01	98876320
2013-01-01	103428605
2014-01-01	94193280
2015-01-01	133279903
2016-01-01	126999928