| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2016 | 378 | 千吨 | 2026-9 |
| 2015 | 309 | 千吨 | 2026-9 |
| 2014 | 303 | 千吨 | 2026-9 |
| 2013 | 295 | 千吨 | 2026-9 |
| 2012 | 268 | 千吨 | 2026-9 |
| 2011 | 350 | 千吨 | 2026-9 |
| 2010 | 279 | 千吨 | 2026-9 |
| 2009 | 338 | 千吨 | 2026-9 |
| 2008 | 326 | 千吨 | 2026-9 |
| 2007 | 332 | 千吨 | 2026-9 |
| 2006 | 413 | 千吨 | 2026-9 |
| 2005 | 318 | 千吨 | 2026-9 |
| 2004 | 271 | 千吨 | 2026-9 |
| 2003 | 346 | 千吨 | 2026-9 |
| 2002 | 323 | 千吨 | 2026-9 |
| 2001 | 362 | 千吨 | 2026-9 |
| 2000 | 361 | 千吨 | 2026-9 |
| 1999 | 323 | 千吨 | 2026-9 |
| 1998 | 275 | 千吨 | 2026-9 |
| 1997 | 291 | 千吨 | 2026-9 |
| 1996 | 254 | 千吨 | 2026-9 |
| 1995 | 208 | 千吨 | 2026-9 |
| 1994 | 162 | 千吨 | 2026-9 |
| 1993 | 167 | 千吨 | 2026-9 |
| 1992 | 136 | 千吨 | 2026-9 |
| 1991 | 110 | 千吨 | 2026-9 |
| 1990 | 17 | 千吨 | 2026-9 |
| 1989 | 16 | 千吨 | 2026-9 |
| 1988 | 11 | 千吨 | 2026-9 |
| 1987 | 11 | 千吨 | 2026-9 |
| 1986 | 12 | 千吨 | 2026-9 |
| 1985 | 9 | 千吨 | 2026-9 |
| 1984 | 10 | 千吨 | 2026-9 |
| 1983 | 10 | 千吨 | 2026-9 |
| 1982 | 15 | 千吨 | 2026-9 |
| 1981 | 10 | 千吨 | 2026-9 |
| 1980 | 14 | 千吨 | 2026-9 |
| 1979 | 9 | 千吨 | 2026-9 |
| 1978 | 13 | 千吨 | 2026-9 |
| 1977 | 15 | 千吨 | 2026-9 |
| 1976 | 10 | 千吨 | 2026-9 |
| 1975 | 17 | 千吨 | 2026-9 |
| 1974 | 15 | 千吨 | 2026-9 |
| 1973 | 34 | 千吨 | 2026-9 |
| 1972 | 47 | 千吨 | 2026-9 |
| 1971 | 51 | 千吨 | 2026-9 |
| 1970 | 37 | 千吨 | 2026-9 |
| 1969 | 30 | 千吨 | 2026-9 |
| 1968 | 45 | 千吨 | 2026-9 |
| 1967 | 50 | 千吨 | 2026-9 |
| 1966 | 32 | 千吨 | 2026-9 |
| 1965 | 33 | 千吨 | 2026-9 |
| 1964 | 36 | 千吨 | 2026-9 |
| 1963 | 35 | 千吨 | 2026-9 |
| 1962 | 42 | 千吨 | 2026-9 |
| 1961 | 29 | 千吨 | 2026-9 |
| 1960 | 34 | 千吨 | 2026-9 |