| 日期 | 產量 | 日均產量 | 年產率 | |||
| 2015 | 2014 | 2015 | 2014 | 2015 | 2014 | |
| 1月 | 241,521 | 246,462 | 7,791 | 7,950 | 2,843,715 | 2,901,891 |
| 2月 | 218,413 | 222,162 | 7,800 | 7,934 | 2,847,169 | 2,896,040 |
| 3月 | 238,778 | 244,523 | 7,703 | 7,888 | 2,811,418 | 2,879,061 |
| 4月 | 233,683 | 237,726 | 7,789 | 7,924 | 2,843,143 | 2,892,333 |
| 5月 | 239,537 | 244,935 | 7,727 | 7,901 | 2,820,355 | 2,883,912 |
| 6月 | 231,968 | 231,618 | 7,732 | 7,721 | 2,822,277 | 2,818,019 |
| 7月 | 240,153 | 240,981 | 7,747 | 7,774 | 2,827,608 | 2,837,357 |
| 8月 | 243,130 | 239,117 | 7,843 | 7,713 | 2,862,660 | 2,815,410 |
| 9月 | 238,122 | 236,310 | 7,937 | 7,877 | 2,897,151 | 2,875,105 |
| 10月 | 248,834 | 239,282 | 8,027 | 7,719 | 2,929,820 | 2,817,353 |
| 11月 | 248,035 | 233,371 | 8,268 | 7,779 | 3,017,759 | 2,839,347 |
| 12月 | 257,863 | 241,750 | 8,318 | 7,798 | 3,036,129 | 2,846,411 |
| 總計 | 2,880,037 | 2,858,237 | 7,891 | 7,831 | 2,880,037 | 2,858,237 |
(注：產量單位均為噸)