Year	Dollars
1997-01-01	35952425
2002-01-01	28243511
2003-01-01	27213324
2004-01-01	40918990
2005-01-01	56563792
2006-01-01	47818923
2007-01-01	56073313
2008-01-01	74264296
2009-01-01	217713030
2010-01-01	39930603
2011-01-01	48295254
2012-01-01	50142769
2013-01-01	92327214
2014-01-01	151628886
2015-01-01	84078727
2016-01-01	63677240