Year	Dollars
1992-01-01	156886606
1997-01-01	318445698
2002-01-01	102121643
2003-01-01	117549064
2004-01-01	140117039
2005-01-01	118192765
2006-01-01	138158212
2007-01-01	118567849
2008-01-01	158008716
2009-01-01	134804266
2010-01-01	143554903
2011-01-01	138156496
2012-01-01	156492319
2013-01-01	147518228
2014-01-01	166848663
2015-01-01	180935107
2016-01-01	207744548