| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026 | 56 | 千吨 | 2026-9 |
| 2025 | 56 | 千吨 | 2026-9 |
| 2024 | 50 | 千吨 | 2026-9 |
| 2023 | 46 | 千吨 | 2026-9 |
| 2022 | 50 | 千吨 | 2026-9 |
| 2021 | 49 | 千吨 | 2026-9 |
| 2020 | 41 | 千吨 | 2026-9 |
| 2019 | 40 | 千吨 | 2026-9 |
| 2018 | 38 | 千吨 | 2026-9 |
| 2017 | 38 | 千吨 | 2026-9 |
| 2016 | 30 | 千吨 | 2026-9 |
| 2015 | 27 | 千吨 | 2026-9 |
| 2014 | 19 | 千吨 | 2026-9 |
| 2013 | 15 | 千吨 | 2026-9 |
| 2012 | 19 | 千吨 | 2026-9 |
| 2011 | 17 | 千吨 | 2026-9 |
| 2010 | 15 | 千吨 | 2026-9 |
| 2009 | 15 | 千吨 | 2026-9 |
| 2008 | 14 | 千吨 | 2026-9 |
| 2007 | 12 | 千吨 | 2026-9 |
| 2006 | 13 | 千吨 | 2026-9 |
| 2005 | 13 | 千吨 | 2026-9 |
| 2004 | 13 | 千吨 | 2026-9 |
| 2003 | 16 | 千吨 | 2026-9 |
| 2002 | 16 | 千吨 | 2026-9 |
| 1976 | 4 | 千吨 | 2026-9 |
| 1975 | 4 | 千吨 | 2026-9 |
| 1974 | 4 | 千吨 | 2026-9 |
| 1973 | 3 | 千吨 | 2026-9 |
| 1972 | 3 | 千吨 | 2026-9 |
| 1971 | 4 | 千吨 | 2026-9 |
| 1970 | 4 | 千吨 | 2026-9 |
| 1969 | 4 | 千吨 | 2026-9 |
| 1968 | 3 | 千吨 | 2026-9 |
| 1967 | 3 | 千吨 | 2026-9 |
| 1966 | 4 | 千吨 | 2026-9 |
| 1965 | 3 | 千吨 | 2026-9 |
| 1964 | 2 | 千吨 | 2026-9 |