| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026 | 8 | 千吨 | 2026-9 |
| 2025 | 8 | 千吨 | 2026-9 |
| 2024 | 8 | 千吨 | 2026-9 |
| 2023 | 14 | 千吨 | 2026-9 |
| 2022 | 27 | 千吨 | 2026-9 |
| 2021 | 29 | 千吨 | 2026-9 |
| 2020 | 31 | 千吨 | 2026-9 |
| 2019 | 25 | 千吨 | 2026-9 |
| 2018 | 20 | 千吨 | 2026-9 |
| 2017 | 21 | 千吨 | 2026-9 |
| 2016 | 21 | 千吨 | 2026-9 |
| 2015 | 21 | 千吨 | 2026-9 |
| 2014 | 20 | 千吨 | 2026-9 |
| 2013 | 19 | 千吨 | 2026-9 |
| 2012 | 20 | 千吨 | 2026-9 |
| 2011 | 19 | 千吨 | 2026-9 |
| 2010 | 19 | 千吨 | 2026-9 |
| 2009 | 17 | 千吨 | 2026-9 |
| 2008 | 19 | 千吨 | 2026-9 |
| 2007 | 19 | 千吨 | 2026-9 |
| 2006 | 16 | 千吨 | 2026-9 |
| 2005 | 20 | 千吨 | 2026-9 |
| 2004 | 20 | 千吨 | 2026-9 |
| 2003 | 19 | 千吨 | 2026-9 |
| 2002 | 19 | 千吨 | 2026-9 |
| 2001 | 19 | 千吨 | 2026-9 |
| 2000 | 19 | 千吨 | 2026-9 |
| 1999 | 32 | 千吨 | 2026-9 |
| 1998 | 83 | 千吨 | 2026-9 |
| 1997 | 84 | 千吨 | 2026-9 |
| 1996 | 83 | 千吨 | 2026-9 |
| 1995 | 85 | 千吨 | 2026-9 |
| 1994 | 87 | 千吨 | 2026-9 |
| 1993 | 85 | 千吨 | 2026-9 |
| 1992 | 83 | 千吨 | 2026-9 |
| 1991 | 81 | 千吨 | 2026-9 |
| 1990 | 76 | 千吨 | 2026-9 |
| 1989 | 75 | 千吨 | 2026-9 |
| 1988 | 76 | 千吨 | 2026-9 |
| 1987 | 73 | 千吨 | 2026-9 |
| 1986 | 72 | 千吨 | 2026-9 |
| 1985 | 72 | 千吨 | 2026-9 |
| 1984 | 68 | 千吨 | 2026-9 |
| 1983 | 61 | 千吨 | 2026-9 |
| 1982 | 58 | 千吨 | 2026-9 |
| 1981 | 62 | 千吨 | 2026-9 |
| 1980 | 64 | 千吨 | 2026-9 |
| 1979 | 61 | 千吨 | 2026-9 |
| 1978 | 53 | 千吨 | 2026-9 |