Year	Dollars
1992-01-01	72307268
1997-01-01	55183235
2002-01-01	61201594
2003-01-01	87035407
2004-01-01	112139817
2005-01-01	129800195
2006-01-01	173140450
2007-01-01	189563040
2008-01-01	230676702
2009-01-01	239513095
2010-01-01	248608547
2011-01-01	344412411
2012-01-01	389330320
2013-01-01	271666450
2014-01-01	356187497
2015-01-01	329885749
2016-01-01	278977322