Year	Dollars
1997-01-01	6227803
2002-01-01	19933135
2003-01-01	48678389
2004-01-01	27254374
2005-01-01	26972037
2006-01-01	29044125
2007-01-01	57521960
2008-01-01	74346366
2009-01-01	95340061
2010-01-01	104687757
2011-01-01	90450214
2012-01-01	108677240
2013-01-01	124092417
2014-01-01	137036504
2015-01-01	137108140
2016-01-01	250601716