| |||||||||||||||||||
, Silver [ SIL ] ,, Silver [ SIL ] ,, Silver [ SIL ] ,
, Silver; Nearest expira ,, 2nd nearest expn ,, Third nearest expn ,
, tion ,, ,, ,
, Oct2003 to Feb2007,, Nov2003 to Feb2007,, Jan2004 to Jan2004,
End of , ,, ,, ,
2007-02 , 20834, 2007-05 , 19370, 2007-04 , na,
2007-01 , 20070, 2007-04 , na, , na,
2006-12 , na, , na, , na,
2006-11 , 18840, 2006-12 , na, , na,
2006-10 , 18315, 2006-12 , na, , na,
2006-09 , 18100, 2006-12 , 18314, 2006-12 , na,
2006-08 , na, , na, , na,
2006-07 , na, , na, , na,
2006-06 , na, , na, , na,
2006-05 , na, , na, , na,
2006-04 , na, , na, , na,
2006-03 , na, , na, , na,
2006-02 , na, , na, , na,
2006-01 , na, , na, , na,
2005-12 , na, , na, , na,
2005-11 , na, , na, , na,
2005-10 , na, , na, , na,
2005-09 , na, , na, , na,
2005-08 , na, , na, , na,
2005-07 , na, , na, , na,
2005-06 , na, , na, , na,
2005-05 , na, , na, , na,
2005-04 , na, , na, , na,
2005-03 , na, , na, , na,
2005-02 , na, , na, , na,
2005-01 , na, , na, , na,
2004-12 , na, , na, , na,
2004-11 , na, , na, , na,
2004-10 , na, , na, , na,
2004-09 , na, , na, , na,
2004-08 , na, , na, , na,
2004-07 , na, , na, , na,
2004-06 , na, , na, , na,
2004-05 , na, , na, , na,
2004-04 , na, , na, , na,
2004-03 , na, , na, , na,
2004-02 , na, , na, , na,
2004-01 , 9200, 2004-02 , 9240, 2004-03 , 9284, 2004-04
2003-12 , 8804, 2003-12 , 8500, 2004-01 , na,
2003-11 , 8532, 2003-12 , 8576, 2004-01 , na,
2003-10 , 8210, 2003-12 , na, , na,