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%