Year	Dollars
1992-01-01	23414625
1997-01-01	34366916
2002-01-01	29970282
2003-01-01	31164339
2004-01-01	47629476
2005-01-01	66561730
2006-01-01	83905652
2007-01-01	96673956
2008-01-01	108434299
2009-01-01	89769891
2010-01-01	84912599
2011-01-01	176115005
2012-01-01	158285613
2013-01-01	179997736
2014-01-01	159910274
2015-01-01	105400857
2016-01-01	51403536