Year	Dollars
1992-01-01	13012913
1997-01-01	41436940
2002-01-01	79610553
2003-01-01	102452511
2004-01-01	108093726
2005-01-01	151186167
2006-01-01	186458455
2007-01-01	254746686
2008-01-01	299245863
2009-01-01	409575080
2010-01-01	546652536
2011-01-01	540672377
2012-01-01	431932322
2013-01-01	522475129
2014-01-01	411637196
2015-01-01	359172958
2016-01-01	336701181