Year	Dollars
1997-01-01	1999288
2002-01-01	1258864
2003-01-01	1139976
2004-01-01	1069061
2005-01-01	1687916
2006-01-01	1156269
2007-01-01	5011568
2008-01-01	6007947
2009-01-01	3342449
2010-01-01	4866987
2011-01-01	5492661
2012-01-01	23713865
2013-01-01	74161956
2014-01-01	7474540
2015-01-01	6797505
2016-01-01	2108411