| 日期 | 產量 | 日均產量 | 年產率 | |||
| 2015 | 2014 | 2015 | 2014 | 2015 | 2014 | |
| 1月 | 142,069 | 153,264 | 4,583 | 4,944 | 1,672,748 | 1,804,560 |
| 2月 | 129,626 | 139,042 | 4,630 | 4,966 | 1,689,768 | 1,812,512 |
| 3月 | 142,587 | 153,519 | 4,600 | 4,952 | 1,678,847 | 1,807,562 |
| 4月 | 137,535 | 142,567 | 4,585 | 4,752 | 1,673,343 | 1,734,565 |
| 5月 | 141,794 | 146,870 | 4,574 | 4,738 | 1,669,510 | 1,729,276 |
| 6月 | 133,387 | 139,576 | 4,446 | 4,653 | 1,622,875 | 1,698,175 |
| 7月 | 133,890 | 142,845 | 4,319 | 4,608 | 1,576,447 | 1,681,885 |
| 8月 | 134,947 | 143,433 | 4,353 | 4,627 | 1,588,892 | 1,688,808 |
| 9月 | 136,312 | 4,544 | 1,658,463 | |||
| 10月 | 137,303 | 4,429 | 1,616,632 | |||
| 11月 | 133,646 | 4,455 | 1,626,026 | |||
| 12月 | 141,291 | 4,558 | 1,663,588 | |||
| 總計 | 1,095,835 | 1,709,668 | 4,510 | 4,684 | 1,646,007 | 1,709,668 |
(注：產量單位均為噸)