| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026 | 25 | 千吨 | 2026-9 |
| 2025 | 24 | 千吨 | 2026-9 |
| 2024 | 18 | 千吨 | 2026-9 |
| 2023 | 18 | 千吨 | 2026-9 |
| 2022 | 20 | 千吨 | 2026-9 |
| 2021 | 17 | 千吨 | 2026-9 |
| 2020 | 16 | 千吨 | 2026-9 |
| 2019 | 21 | 千吨 | 2026-9 |
| 2018 | 21 | 千吨 | 2026-9 |
| 2017 | 21 | 千吨 | 2026-9 |
| 2016 | 27 | 千吨 | 2026-9 |
| 2015 | 28 | 千吨 | 2026-9 |
| 2014 | 36 | 千吨 | 2026-9 |
| 2013 | 36 | 千吨 | 2026-9 |
| 2012 | 49 | 千吨 | 2026-9 |
| 2011 | 61 | 千吨 | 2026-9 |
| 2010 | 55 | 千吨 | 2026-9 |
| 2009 | 43 | 千吨 | 2026-9 |
| 2008 | 65 | 千吨 | 2026-9 |
| 2007 | 92 | 千吨 | 2026-9 |
| 2006 | 97 | 千吨 | 2026-9 |
| 2005 | 89 | 千吨 | 2026-9 |
| 2004 | 52 | 千吨 | 2026-9 |
| 2003 | 36 | 千吨 | 2026-9 |
| 2002 | 37 | 千吨 | 2026-9 |
| 2001 | 53 | 千吨 | 2026-9 |
| 2000 | 47 | 千吨 | 2026-9 |
| 1999 | 50 | 千吨 | 2026-9 |
| 1998 | 84 | 千吨 | 2026-9 |
| 1997 | 90 | 千吨 | 2026-9 |
| 1996 | 105 | 千吨 | 2026-9 |
| 1995 | 107 | 千吨 | 2026-9 |
| 1994 | 238 | 千吨 | 2026-9 |
| 1993 | 155 | 千吨 | 2026-9 |
| 1992 | 75 | 千吨 | 2026-9 |
| 1991 | 222 | 千吨 | 2026-9 |
| 1990 | 155 | 千吨 | 2026-9 |
| 1989 | 57 | 千吨 | 2026-9 |
| 1988 | 54 | 千吨 | 2026-9 |
| 1987 | 34 | 千吨 | 2026-9 |
| 1986 | 26 | 千吨 | 2026-9 |
| 1985 | 15 | 千吨 | 2026-9 |
| 1984 | 15 | 千吨 | 2026-9 |
| 1983 | 16 | 千吨 | 2026-9 |
| 1982 | 12 | 千吨 | 2026-9 |
| 1981 | 8 | 千吨 | 2026-9 |
| 1980 | 0 | 千吨 | 2026-9 |
| 1979 | 0 | 千吨 | 2026-9 |
| 1978 | 0 | 千吨 | 2026-9 |
| 1977 | 0 | 千吨 | 2026-9 |
| 1976 | 0 | 千吨 | 2026-9 |
| 1975 | 0 | 千吨 | 2026-9 |