| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026 | 61 | 千吨 | 2026-9 |
| 2025 | 60 | 千吨 | 2026-9 |
| 2024 | 51 | 千吨 | 2026-9 |
| 2023 | 50 | 千吨 | 2026-9 |
| 2022 | 62 | 千吨 | 2026-9 |
| 2021 | 67 | 千吨 | 2026-9 |
| 2020 | 63 | 千吨 | 2026-9 |
| 2019 | 64 | 千吨 | 2026-9 |
| 2018 | 65 | 千吨 | 2026-9 |
| 2017 | 56 | 千吨 | 2026-9 |
| 2016 | 45 | 千吨 | 2026-9 |
| 2015 | 49 | 千吨 | 2026-9 |
| 2014 | 47 | 千吨 | 2026-9 |
| 2013 | 33 | 千吨 | 2026-9 |
| 2012 | 26 | 千吨 | 2026-9 |
| 2011 | 30 | 千吨 | 2026-9 |
| 2010 | 32 | 千吨 | 2026-9 |
| 2009 | 27 | 千吨 | 2026-9 |
| 2008 | 23 | 千吨 | 2026-9 |
| 2007 | 14 | 千吨 | 2026-9 |
| 2006 | 14 | 千吨 | 2026-9 |
| 2005 | 15 | 千吨 | 2026-9 |
| 2004 | 19 | 千吨 | 2026-9 |
| 2003 | 18 | 千吨 | 2026-9 |
| 2002 | 21 | 千吨 | 2026-9 |
| 2001 | 19 | 千吨 | 2026-9 |
| 2000 | 50 | 千吨 | 2026-9 |
| 1999 | 54 | 千吨 | 2026-9 |
| 1998 | 65 | 千吨 | 2026-9 |
| 1997 | 55 | 千吨 | 2026-9 |
| 1996 | 61 | 千吨 | 2026-9 |
| 1995 | 78 | 千吨 | 2026-9 |
| 1994 | 76 | 千吨 | 2026-9 |
| 1993 | 70 | 千吨 | 2026-9 |
| 1992 | 76 | 千吨 | 2026-9 |
| 1991 | 49 | 千吨 | 2026-9 |
| 1990 | 79 | 千吨 | 2026-9 |