| 年度 | 数值 | 单位 | 发布日期 |
| 2026 | 910 | 千吨 | 2026-9 |
| 2025 | 900 | 千吨 | 2026-9 |
| 2024 | 840 | 千吨 | 2026-9 |
| 2023 | 930 | 千吨 | 2026-9 |
| 2022 | 1150 | 千吨 | 2026-9 |
| 2021 | 1120 | 千吨 | 2026-9 |
| 2020 | 1100 | 千吨 | 2026-9 |
| 2019 | 964 | 千吨 | 2026-9 |
| 2018 | 1500 | 千吨 | 2026-9 |
| 2017 | 1500 | 千吨 | 2026-9 |
| 2016 | 1600 | 千吨 | 2026-9 |
| 2015 | 1500 | 千吨 | 2026-9 |
| 2014 | 1550 | 千吨 | 2026-9 |
| 2013 | 1450 | 千吨 | 2026-9 |
| 2012 | 1360 | 千吨 | 2026-9 |
| 2011 | 1280 | 千吨 | 2026-9 |
| 2010 | 1228 | 千吨 | 2026-9 |
| 2009 | 1180 | 千吨 | 2026-9 |
| 2008 | 1150 | 千吨 | 2026-9 |
| 2007 | 1082 | 千吨 | 2026-9 |
| 2006 | 1091 | 千吨 | 2026-9 |
| 2005 | 1114 | 千吨 | 2026-9 |
| 2004 | 1078 | 千吨 | 2026-9 |
| 2003 | 1024 | 千吨 | 2026-9 |
| 2002 | 1006 | 千吨 | 2026-9 |
| 2001 | 974 | 千吨 | 2026-9 |
| 2000 | 917 | 千吨 | 2026-9 |
| 1999 | 893 | 千吨 | 2026-9 |
| 1998 | 830 | 千吨 | 2026-9 |
| 1997 | 1074 | 千吨 | 2026-9 |
| 1996 | 1063 | 千吨 | 2026-9 |
| 1995 | 964 | 千吨 | 2026-9 |
| 1994 | 801 | 千吨 | 2026-9 |
| 1993 | 650 | 千吨 | 2026-9 |
| 1992 | 608 | 千吨 | 2026-9 |
| 1991 | 597 | 千吨 | 2026-9 |
| 1990 | 594 | 千吨 | 2026-9 |
| 1989 | 521 | 千吨 | 2026-9 |
| 1988 | 521 | 千吨 | 2026-9 |
| 1987 | 487 | 千吨 | 2026-9 |
| 1986 | 415 | 千吨 | 2026-9 |
| 1985 | 395 | 千吨 | 2026-9 |
| 1984 | 410 | 千吨 | 2026-9 |
| 1983 | 374 | 千吨 | 2026-9 |
| 1982 | 341 | 千吨 | 2026-9 |
| 1981 | 258 | 千吨 | 2026-9 |
| 1980 | 226 | 千吨 | 2026-9 |
| 1979 | 237 | 千吨 | 2026-9 |
| 1978 | 88 | 千吨 | 2026-9 |
| 1977 | 90 | 千吨 | 2026-9 |
| 1976 | 90 | 千吨 | 2026-9 |
| 1975 | 90 | 千吨 | 2026-9 |
| 1974 | 1700 | 千吨 | 2026-9 |
| 1973 | 1700 | 千吨 | 2026-9 |
| 1972 | 1700 | 千吨 | 2026-9 |
| 1971 | 1700 | 千吨 | 2026-9 |
| 1970 | 1700 | 千吨 | 2026-9 |
| 1969 | 1700 | 千吨 | 2026-9 |
| 1968 | 1700 | 千吨 | 2026-9 |
| 1967 | 1700 | 千吨 | 2026-9 |
| 1966 | 1700 | 千吨 | 2026-9 |
| 1965 | 1700 | 千吨 | 2026-9 |
| 1964 | 0 | 千吨 | 2026-9 |