Year	Dollars
1997-01-01	6899678
2002-01-01	34647325
2003-01-01	17142816
2004-01-01	9911578
2005-01-01	19009212
2006-01-01	21789889
2007-01-01	28830056
2008-01-01	39319360
2009-01-01	113557341
2010-01-01	71777840
2011-01-01	107372465
2012-01-01	97209270
2013-01-01	80911943
2014-01-01	118521078
2015-01-01	128546287
2016-01-01	124774375