| 日期 | 单位：美分/千克 |
| 2010-04-09 | 378.60 |
| 2010-04-08 | 378.92 |
| 2010-04-07 | 361.98 |
| 2010-04-06 | 359.37 |
| 2010-04-05 | 356.68 |
| 2010-03-31 | 349.00 |
| 2010-03-30 | 350.20 |
| 2010-03-29 | 348.67 |
| 2010-03-26 | 341.80 |
| 2010-03-25 | 334.15 |
| 2010-03-24 | 328.53 |
| 2010-03-23 | 328.97 |
| 2010-03-22 | 329.16 |
| 2010-03-19 | 327.98 |
| 2010-03-18 | 327.14 |
| 2010-03-17 | 326.43 |
| 2010-03-16 | 324.51 |
| 2010-03-15 | 325.95 |
| 2010-03-12 | 329.74 |
| 2010-03-11 | 327.48 |
| 2010-03-10 | 327.79 |
| 2010-03-09 | 329.03 |
| 2010-03-08 | 330.39 |
| 2010-03-05 | 328.32 |
| 2010-03-04 | 326.94 |
| 2010-03-03 | 325.18 |
| 2010-03-02 | 325.63 |
| 2010-03-01 | 327.92 |
| 2010-02-26 | 327.73 |
| 2010-02-25 | 328.38 |
| 2010-02-24 | 325.39 |
| 2010-02-23 | 321.34 |
| 2010-02-22 | 322.44 |
| 2010-02-19 | 319.97 |
| 2010-02-18 | 320.54 |
| 2010-02-17 | 319.12 |
| 2010-02-11 | 309.08 |
| 2010-02-10 | 301.88 |
| 2010-02-09 | 298.44 |
| 2010-02-08 | 297.56 |
| 2010-02-05 | 298.06 |
| 2010-02-04 | 305.85 |
| 2010-02-03 | 305.06 |
| 2010-02-02 | 304.83 |
| 2010-02-01 | 301.33 |
| 2010-01-29 | 304.31 |
| 2010-01-28 | 301.52 |
| 2010-01-27 | 307.72 |
| 2010-01-26 | 310.41 |
| 2010-01-25 | 313.53 |
| 2010-01-22 | 314.75 |
| 2010-01-21 | 316.24 |
| 2010-01-20 | 319.22 |
| 2010-01-19 | 316.97 |
| 2010-01-18 | 315.18 |
| 2010-01-15 | 316.43 |
| 2010-01-14 | 314.12 |
| 2010-01-13 | 311.20 |
| 2010-01-12 | 310.99 |
| 2010-01-11 | 305.45 |
| 2010-01-08 | 300.70 |
| 2010-01-07 | 301.27 |
| 2010-01-06 | 299.40 |
| 2010-01-05 | 297.21 |
| 2010-01-04 | 293.83 |
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