Year	Dollars
1992-01-01	254071875
1997-01-01	209605438
2002-01-01	264803562
2003-01-01	183469992
2004-01-01	234761157
2005-01-01	172256767
2006-01-01	244425122
2007-01-01	291629009
2008-01-01	287371052
2009-01-01	286721724
2010-01-01	553413044
2011-01-01	680224001
2012-01-01	1085326491
2013-01-01	2274596287
2014-01-01	2543940910
2015-01-01	1487027002
2016-01-01	1013241705