日付	電気銅(円/kg)	銅スクラップ(円/kg)
R6/11/21	1,440	1,332
R6/11/20	1,420	1,316
R6/11/19	1,420	1,316
R6/11/18	1,440	1,332
R6/11/15	1,440	1,332
R6/11/14	1,440	1,332
R6/11/13	1,470	1,354
R6/11/12	1,470	1,354
R6/11/11	1,510	1,386
R6/11/8	1,510	1,386