AÑO COBRE ORO ZINCCtvs. US$/lb US$/Oz.tr. Ctvs.US$/lb Ctvs.US$/lb

1995 133.18 384.52 46.781996 104.14 388.25 46.521997 103.28 331.56 59.751998 75.02 294.48 46.461999 71.32 279.17 48.822000 82.24 279.37 51.162001 71.6 271.23 40.172002 70.74 310.13 35.322003 80.7 363.62 37.542004 129.99 409.85 47.532005 166.87 445.47 62.682006 304.91 604.58 148.562007 322.93 697.41 147.072008 315.51 872.72 85.042009 233.52 973.62 75.052010 342.28 1225.29 98.182011 400.2 1569.53 99.52012 360.55 1669.87 88.352013 332.31 1411 86.652014 311.16 1266.09 98.07

PLATA PLOMO HIERROUS$/Oz.tr. Ctvs.US$/lb US$/tm

5.19 28.62 16.55.19 35.12 20.54.89 28.32 20.15.54 23.98 215.25 22.8 17.45 20.59 18.5

4.39 21.6 19.364.63 20.53 18.994.91 23.36 15.916.69 40.21 21.527.34 44.29 33.0811.57 58.5 38.2713.42 117.03 39.2615.01 94.83 55.8314.68 77.91 42.7520.19 97.61 46.1535.17 108.97 46.731.17 93.54 12523.86 97.17 12019.08 95.07 125