Year	Dollars
1997-01-01	4848273
2002-01-01	541275
2004-01-01	4960614
2006-01-01	6109635
2007-01-01	7116511
2008-01-01	18000167
2009-01-01	12307691
2010-01-01	24294733
2011-01-01	11003332
2012-01-01	17765496
2013-01-01	17014352
2014-01-01	40747325
2015-01-01	50177495
2016-01-01	27781227