| date | settle | CPI | date | Copper / CPI | date | Copper / CPI | ||||
| 12/31/13 | 14.47 | 10 | 12/31/13 | 1.447 | 12/31/13 | 0 | ||||
| 12/31/14 | 12.93 | 10.1 | 12/31/14 | 1.280198 | 12/31/14 | -11.53% | ||||
| 12/31/15 | 20.35 | 10.3 | 12/31/15 | 1.9757282 | 12/31/15 | 36.54% | ||||
| 12/29/16 | 33.84 | 11.6 | 12/29/16 | 2.9172414 | 12/29/16 | 101.61% | ||||
| 12/31/17 | 23.50 | 13.7 | 12/31/17 | 1.7153285 | 12/31/17 | 18.54% | ||||
| 12/31/18 | 25.29 | 16.5 | 12/31/18 | 1.5327273 | 12/31/18 | 5.92% | ||||
| 12/31/19 | 18.48 | 18.9 | 12/31/19 | 0.9777778 | 12/31/19 | -32.43% | ||||
| 12/31/20 | 13.48 | 19.4 | 12/31/20 | 0.6948454 | 12/31/20 | -51.98% | ||||
| 12/30/21 | 13.67 | 17.3 | 12/30/21 | 0.7901734 | 12/30/21 | -45.39% | ||||
| 12/29/22 | 14.22 | 16.9 | 12/29/22 | 0.8414201 | 12/29/22 | -41.85% | ||||
| 12/31/23 | 12.98 | 17.3 | 12/31/23 | 0.750289 | 12/31/23 | -48.15% | ||||
| 12/31/24 | 14.32 | 17.3 | 12/31/24 | 0.8277457 | 12/31/24 | -42.80% | ||||
| 12/31/25 | 13.96 | 17.9 | 12/31/25 | 0.7798883 | 12/31/25 | -46.10% | ||||
| 12/31/26 | 13.44 | 17.7 | 12/31/26 | 0.759322 | 12/31/26 | -47.52% | ||||
| 12/30/27 | 13.95 | 17.3 | 12/30/27 | 0.8063584 | 12/30/27 | -44.27% | ||||
| 12/31/28 | 15.94 | 17.1 | 12/31/28 | 0.9321637 | 12/31/28 | -35.58% | ||||
| 12/31/29 | 17.87 | 17.2 | 12/31/29 | 1.0389535 | 12/31/29 | -28.20% | ||||
| 12/31/30 | 10.49 | 16.1 | 12/31/30 | 0.6515528 | 12/31/30 | -54.97% | ||||
| 12/31/31 | 6.72 | 14.6 | 12/31/31 | 0.460274 | 12/31/31 | -68.19% | ||||
| 12/30/32 | 4.91 | 13.1 | 12/30/32 | 0.3748092 | 12/30/32 | -74.10% | ||||
| 12/29/33 | 8.00 | 13.2 | 12/29/33 | 0.6060606 | 12/29/33 | -58.12% | ||||
| 12/31/34 | 8.87 | 13.4 | 12/31/34 | 0.6619403 | 12/31/34 | -54.25% | ||||
| 12/31/35 | 9.12 | 13.8 | 12/31/35 | 0.6608696 | 12/31/35 | -54.33% | ||||
| 12/31/36 | 10.89 | 14 | 12/31/36 | 0.7778571 | 12/31/36 | -46.24% | ||||
| 12/31/37 | 10.11 | 14.4 | 12/31/37 | 0.7020833 | 12/31/37 | -51.48% | ||||
| 12/30/38 | 11.12 | 14 | 12/30/38 | 0.7942857 | 12/30/38 | -45.11% | ||||
| 12/29/39 | 12.37 | 14 | 12/29/39 | 0.8835714 | 12/29/39 | -38.94% | ||||
| 12/31/40 | 11.87 | 14.1 | 12/31/40 | 0.841844 | 12/31/40 | -41.82% | ||||
| 12/31/41 | 11.87 | 15.5 | 12/31/41 | 0.7658065 | 12/31/41 | -47.08% | ||||
| 12/31/42 | 11.87 | 16.9 | 12/31/42 | 0.7023669 | 12/31/42 | -51.46% | ||||
| 12/31/43 | 11.87 | 17.4 | 12/31/43 | 0.6821839 | 12/31/43 | -52.86% | ||||
| 12/29/44 | 11.87 | 17.8 | 12/29/44 | 0.6668539 | 12/29/44 | -53.91% | ||||
| 12/31/45 | 11.87 | 18.2 | 12/31/45 | 0.6521978 | 12/31/45 | -54.93% | ||||
| 12/31/46 | 19.37 | 21.5 | 12/31/46 | 0.9009302 | 12/31/46 | -37.74% | ||||
| 12/31/47 | 21.37 | 23.4 | 12/31/47 | 0.9132479 | 12/31/47 | -36.89% | ||||
| 12/31/48 | 23.50 | 24.1 | 12/31/48 | 0.9751037 | 12/31/48 | -32.61% | ||||
| 12/30/49 | 18.50 | 23.6 | 12/30/49 | 0.7838983 | 12/30/49 | -45.83% | ||||
| 12/29/50 | 24.50 | 25 | 12/29/50 | 0.98 | 12/29/50 | -32.27% | ||||
| 12/31/51 | 24.50 | 26.5 | 12/31/51 | 0.9245283 | 12/31/51 | -36.11% | ||||
| 12/31/52 | 24.50 | 26.7 | 12/31/52 | 0.917603 | 12/31/52 | -36.59% | ||||
| 12/31/53 | 29.50 | 26.9 | 12/31/53 | 1.0966543 | 12/31/53 | -24.21% | ||||
| 12/31/54 | 30.00 | 26.7 | 12/31/54 | 1.1235955 | 12/31/54 | -22.35% | ||||
| 12/30/55 | 43.00 | 26.8 | 12/30/55 | 1.6044776 | 12/30/55 | 10.88% | ||||
| 12/31/56 | 36.00 | 27.6 | 12/31/56 | 1.3043478 | 12/31/56 | -9.86% | ||||
| 12/31/57 | 27.00 | 28.4 | 12/31/57 | 0.9507042 | 12/31/57 | -34.30% | ||||
| 12/31/58 | 29.00 | 28.9 | 12/31/58 | 1.0034602 | 12/31/58 | -30.65% | ||||
| 12/31/59 | 33.00 | 29.4 | 12/31/59 | 1.122449 | 12/31/59 | -22.43% | ||||
| 12/30/60 | 30.00 | 29.8 | 12/30/60 | 1.0067114 | 12/30/60 | -30.43% | ||||
| 12/29/61 | 31.00 | 30 | 12/29/61 | 1.0333333 | 12/29/61 | -28.59% | ||||
| 12/31/62 | 31.00 | 30.4 | 12/31/62 | 1.0197368 | 12/31/62 | -29.53% | ||||
| 12/31/63 | 31.00 | 30.9 | 12/31/63 | 1.0032362 | 12/31/63 | -30.67% | ||||
| 12/31/64 | 34.00 | 31.2 | 12/31/64 | 1.0897436 | 12/31/64 | -24.69% | ||||
| 12/30/65 | 36.00 | 31.8 | 12/30/65 | 1.1320755 | 12/30/65 | -21.76% | ||||
| 12/30/66 | 36.00 | 32.9 | 12/30/66 | 1.0942249 | 12/30/66 | -24.38% | ||||
| 12/29/67 | 38.00 | 33.9 | 12/29/67 | 1.120944 | 12/29/67 | -22.53% | ||||
| 12/31/68 | 42.00 | 35.5 | 12/31/68 | 1.1830986 | 12/31/68 | -18.24% | ||||
| 12/31/69 | 52.00 | 37.7 | 12/31/69 | 1.3793103 | 12/31/69 | -4.68% | ||||
| 12/31/70 | 53.00 | 39.8 | 12/31/70 | 1.3316583 | 12/31/70 | -7.97% | ||||
| 12/30/71 | 50.25 | 41.1 | 12/30/71 | 1.2226277 | 12/30/71 | -15.51% | ||||
| 12/29/72 | 50.50 | 42.5 | 12/29/72 | 1.1882353 | 12/29/72 | -17.88% | ||||
| 12/31/73 | 68.10 | 46.2 | 12/31/73 | 1.474026 | 12/31/73 | 1.87% | ||||
| 12/31/74 | 68.60 | 51.9 | 12/31/74 | 1.3217726 | 12/31/74 | -8.65% | ||||
| 12/31/75 | 63.60 | 55.5 | 12/31/75 | 1.1459459 | 12/31/75 | -20.81% | ||||
| 12/30/76 | 65.00 | 58.2 | 12/30/76 | 1.1168385 | 12/30/76 | -22.82% | ||||
| 12/30/77 | 63.00 | 62.1 | 12/30/77 | 1.0144928 | 12/30/77 | -29.89% | ||||
| 12/29/78 | 71.25 | 67.7 | 12/29/78 | 1.0524372 | 12/29/78 | -27.27% | ||||
| 12/31/79 | 103.00 | 76.7 | 12/31/79 | 1.3428944 | 12/31/79 | -7.19% | ||||
| 12/31/80 | 86.25 | 86.3 | 12/31/80 | 0.9994206 | 12/31/80 | -30.93% | ||||
| 12/31/81 | 78.00 | 94 | 12/31/81 | 0.8297872 | 12/31/81 | -42.65% | ||||
| 12/30/82 | 72.00 | 97.6 | 12/30/82 | 0.7377049 | 12/30/82 | -49.02% | ||||
| 12/30/83 | 68.00 | 101.3 | 12/30/83 | 0.6712734 | 12/30/83 | -53.61% | ||||
| 12/31/84 | 63.00 | 105.3 | 12/31/84 | 0.5982906 | 12/31/84 | -58.65% | ||||
| 12/31/85 | 66.50 | 109.3 | 12/31/85 | 0.6084172 | 12/31/85 | -57.95% | ||||
| 12/31/86 | 63.25 | 110.5 | 12/31/86 | 0.5723982 | 12/31/86 | -60.44% | ||||
| 12/31/87 | 150.00 | 115.4 | 12/31/87 | 1.2998267 | 12/31/87 | -10.17% | ||||
| 12/30/88 | 156.75 | 120.5 | 12/30/88 | 1.3008299 | 12/30/88 | -10.10% | ||||
| 12/29/89 | 109.00 | 126.1 | 12/29/89 | 0.8643933 | 12/29/89 | -40.26% | ||||
| 12/31/90 | 120.00 | 133.8 | 12/31/90 | 0.896861 | 12/31/90 | -38.02% | ||||
| 12/31/91 | 101.25 | 137.9 | 12/31/91 | 0.7342277 | 12/31/91 | -49.26% | ||||
| 12/31/92 | 105.50 | 141.9 | 12/31/92 | 0.7434813 | 12/31/92 | -48.62% | ||||
| 12/30/93 | 86.00 | 145.8 | 12/30/93 | 0.5898491 | 12/30/93 | -59.24% | ||||
| 12/30/94 | 143.00 | 149.7 | 12/30/94 | 0.9552438 | 12/30/94 | -33.98% | ||||
| 12/29/95 | 126.00 | 153.5 | 12/29/95 | 0.8208469 | 12/29/95 | -43.27% | ||||
| 12/31/96 | 103.00 | 158.6 | 12/31/96 | 0.6494325 | 12/31/96 | -55.12% | ||||
| 12/31/97 | 77.00 | 161.3 | 12/31/97 | 0.4773714 | 12/31/97 | -67.01% | ||||
| 12/31/98 | 66.00 | 163.9 | 12/31/98 | 0.4026846 | 12/31/98 | -72.17% | ||||
| 12/30/99 | 85.25 | 168.3 | 12/30/99 | 0.5065359 | 12/30/99 | -64.99% | ||||
| 12/29/00 | 84.65 | 174 | 12/29/00 | 0.4864943 | 12/29/00 | -66.38% | ||||
| 12/31/01 | 65.30 | 176.7 | 12/31/01 | 0.3695529 | 12/31/01 | -74.46% | ||||
| 12/31/02 | 69.70 | 180.9 | 12/31/02 | 0.3852957 | 12/31/02 | -73.37% | ||||
| 6/6/03 | 78.05 | 183.8 | 6/6/03 | 0.4246464 | 6/6/03 | -70.65% | ||||