| 年度 | 数值 | 单位 | 发布日期 |
| 2003 | 1275 | 千吨 | 2026-9 |
| 2002 | 1300 | 千吨 | 2026-9 |
| 2001 | 1300 | 千吨 | 2026-9 |
| 2000 | 1314 | 千吨 | 2026-9 |
| 1999 | 1312 | 千吨 | 2026-9 |
| 1998 | 1239 | 千吨 | 2026-9 |
| 1997 | 1150 | 千吨 | 2026-9 |
| 1996 | 1200 | 千吨 | 2026-9 |
| 1995 | 1300 | 千吨 | 2026-9 |
| 1994 | 1359 | 千吨 | 2026-9 |
| 1993 | 1655 | 千吨 | 2026-9 |
| 1992 | 1575 | 千吨 | 2026-9 |
| 1991 | 1505 | 千吨 | 2026-9 |
| 1990 | 1662 | 千吨 | 2026-9 |
| 1989 | 1688 | 千吨 | 2026-9 |
| 1988 | 1796 | 千吨 | 2026-9 |
| 1987 | 1641 | 千吨 | 2026-9 |
| 1986 | 1591 | 千吨 | 2026-9 |
| 1985 | 1638 | 千吨 | 2026-9 |
| 1984 | 1496 | 千吨 | 2026-9 |
| 1983 | 1509 | 千吨 | 2026-9 |
| 1982 | 1547 | 千吨 | 2026-9 |
| 1981 | 1437 | 千吨 | 2026-9 |
| 1980 | 1358 | 千吨 | 2026-9 |
| 1979 | 1301 | 千吨 | 2026-9 |
| 1978 | 1237 | 千吨 | 2026-9 |
| 1977 | 1206 | 千吨 | 2026-9 |
| 1976 | 1157 | 千吨 | 2026-9 |
| 1975 | 1187 | 千吨 | 2026-9 |
| 1974 | 1100 | 千吨 | 2026-9 |
| 1973 | 1023 | 千吨 | 2026-9 |
| 1972 | 1049 | 千吨 | 2026-9 |
| 1971 | 970 | 千吨 | 2026-9 |
| 1970 | 924 | 千吨 | 2026-9 |
| 1969 | 863 | 千吨 | 2026-9 |
| 1968 | 748 | 千吨 | 2026-9 |
| 1967 | 696 | 千吨 | 2026-9 |
| 1966 | 663 | 千吨 | 2026-9 |
| 1965 | 626 | 千吨 | 2026-9 |
| 1964 | 586 | 千吨 | 2026-9 |