| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2016 | 243 | 千吨 | 2026-9 |
| 2015 | 224 | 千吨 | 2026-9 |
| 2014 | 213 | 千吨 | 2026-9 |
| 2013 | 212 | 千吨 | 2026-9 |
| 2012 | 218 | 千吨 | 2026-9 |
| 2011 | 207 | 千吨 | 2026-9 |
| 2010 | 199 | 千吨 | 2026-9 |
| 2009 | 194 | 千吨 | 2026-9 |
| 2008 | 191 | 千吨 | 2026-9 |
| 2007 | 181 | 千吨 | 2026-9 |
| 2006 | 157 | 千吨 | 2026-9 |
| 2005 | 160 | 千吨 | 2026-9 |
| 2004 | 147 | 千吨 | 2026-9 |
| 2003 | 178 | 千吨 | 2026-9 |
| 2002 | 174 | 千吨 | 2026-9 |
| 2001 | 150 | 千吨 | 2026-9 |
| 2000 | 149 | 千吨 | 2026-9 |
| 1999 | 148 | 千吨 | 2026-9 |
| 1998 | 119 | 千吨 | 2026-9 |
| 1997 | 119 | 千吨 | 2026-9 |
| 1996 | 105 | 千吨 | 2026-9 |
| 1995 | 102 | 千吨 | 2026-9 |
| 1994 | 102 | 千吨 | 2026-9 |
| 1993 | 93 | 千吨 | 2026-9 |
| 1992 | 89 | 千吨 | 2026-9 |
| 1991 | 91 | 千吨 | 2026-9 |
| 1990 | 81 | 千吨 | 2026-9 |
| 1989 | 85 | 千吨 | 2026-9 |
| 1988 | 84 | 千吨 | 2026-9 |
| 1987 | 97 | 千吨 | 2026-9 |
| 1986 | 100 | 千吨 | 2026-9 |
| 1985 | 91 | 千吨 | 2026-9 |
| 1984 | 87 | 千吨 | 2026-9 |
| 1983 | 73 | 千吨 | 2026-9 |
| 1982 | 79 | 千吨 | 2026-9 |
| 1981 | 79 | 千吨 | 2026-9 |
| 1980 | 74 | 千吨 | 2026-9 |
| 1979 | 67 | 千吨 | 2026-9 |
| 1978 | 63 | 千吨 | 2026-9 |