| 年度 | 数值 | 单位 | 发布日期 |
| 2026 | 63 | 千吨 | 2026-9 |
| 2025 | 60 | 千吨 | 2026-9 |
| 2024 | 58 | 千吨 | 2026-9 |
| 2023 | 75 | 千吨 | 2026-9 |
| 2022 | 70 | 千吨 | 2026-9 |
| 2021 | 73 | 千吨 | 2026-9 |
| 2020 | 80 | 千吨 | 2026-9 |
| 2019 | 84 | 千吨 | 2026-9 |
| 2018 | 75 | 千吨 | 2026-9 |
| 2017 | 75 | 千吨 | 2026-9 |
| 2016 | 102 | 千吨 | 2026-9 |
| 2015 | 114 | 千吨 | 2026-9 |
| 2014 | 105 | 千吨 | 2026-9 |
| 2013 | 95 | 千吨 | 2026-9 |
| 2012 | 90 | 千吨 | 2026-9 |
| 2011 | 89 | 千吨 | 2026-9 |
| 2010 | 75 | 千吨 | 2026-9 |
| 2009 | 54 | 千吨 | 2026-9 |
| 2008 | 75 | 千吨 | 2026-9 |
| 2007 | 59 | 千吨 | 2026-9 |
| 2006 | 50 | 千吨 | 2026-9 |
| 2005 | 97 | 千吨 | 2026-9 |
| 2004 | 85 | 千吨 | 2026-9 |
| 2003 | 84 | 千吨 | 2026-9 |
| 2002 | 95 | 千吨 | 2026-9 |
| 2001 | 90 | 千吨 | 2026-9 |
| 2000 | 92 | 千吨 | 2026-9 |
| 1999 | 94 | 千吨 | 2026-9 |
| 1998 | 115 | 千吨 | 2026-9 |
| 1997 | 115 | 千吨 | 2026-9 |
| 1996 | 102 | 千吨 | 2026-9 |
| 1995 | 90 | 千吨 | 2026-9 |
| 1994 | 90 | 千吨 | 2026-9 |
| 1993 | 83 | 千吨 | 2026-9 |
| 1992 | 88 | 千吨 | 2026-9 |
| 1991 | 74 | 千吨 | 2026-9 |
| 1990 | 70 | 千吨 | 2026-9 |
| 1989 | 83 | 千吨 | 2026-9 |
| 1988 | 79 | 千吨 | 2026-9 |
| 1987 | 105 | 千吨 | 2026-9 |
| 1986 | 101 | 千吨 | 2026-9 |
| 1985 | 93 | 千吨 | 2026-9 |
| 1984 | 76 | 千吨 | 2026-9 |
| 1983 | 75 | 千吨 | 2026-9 |