Year	Dollars
1997-01-01	73303825
2002-01-01	28503143
2003-01-01	29368606
2004-01-01	59978210
2005-01-01	36856514
2006-01-01	22862394
2007-01-01	34535635
2008-01-01	158098969
2009-01-01	46391331
2010-01-01	172080031
2011-01-01	601983443
2012-01-01	375957394
2013-01-01	272888754
2014-01-01	339459169
2015-01-01	86857380
2016-01-01	125562524