Year	Dollars
1992-01-01	31232410
1997-01-01	31271416
2002-01-01	24723781
2003-01-01	35014568
2004-01-01	34625293
2005-01-01	38927345
2006-01-01	28485041
2007-01-01	34461217
2008-01-01	22558729
2009-01-01	22643170
2010-01-01	38538364
2011-01-01	116135069
2012-01-01	19846305
2013-01-01	30237636
2014-01-01	39178860
2015-01-01	33793796
2016-01-01	31790429