| 年度 | 数值 | 单位 | 发布日期 |
| 2026 | 550 | 千吨 | 2026-9 |
| 2025 | 580 | 千吨 | 2026-9 |
| 2024 | 630 | 千吨 | 2026-9 |
| 2023 | 650 | 千吨 | 2026-9 |
| 2022 | 750 | 千吨 | 2026-9 |
| 2021 | 890 | 千吨 | 2026-9 |
| 2020 | 923 | 千吨 | 2026-9 |
| 2019 | 991 | 千吨 | 2026-9 |
| 2018 | 1020 | 千吨 | 2026-9 |
| 2017 | 1060 | 千吨 | 2026-9 |
| 2016 | 1094 | 千吨 | 2026-9 |
| 2015 | 1120 | 千吨 | 2026-9 |
| 2014 | 1153 | 千吨 | 2026-9 |
| 2013 | 1252 | 千吨 | 2026-9 |
| 2012 | 1072 | 千吨 | 2026-9 |
| 2011 | 1020 | 千吨 | 2026-9 |
| 2010 | 1099 | 千吨 | 2026-9 |
| 2009 | 1020 | 千吨 | 2026-9 |
| 2008 | 1030 | 千吨 | 2026-9 |
| 2007 | 1262 | 千吨 | 2026-9 |
| 2006 | 1180 | 千吨 | 2026-9 |
| 2005 | 1270 | 千吨 | 2026-9 |
| 2004 | 1550 | 千吨 | 2026-9 |
| 2003 | 1800 | 千吨 | 2026-9 |
| 2002 | 2092 | 千吨 | 2026-9 |
| 2001 | 1800 | 千吨 | 2026-9 |
| 2000 | 1658 | 千吨 | 2026-9 |
| 1999 | 962 | 千吨 | 2026-9 |
| 1998 | 950 | 千吨 | 2026-9 |
| 1997 | 950 | 千吨 | 2026-9 |
| 1996 | 1000 | 千吨 | 2026-9 |
| 1995 | 0 | 千吨 | 2026-9 |
| 1994 | 0 | 千吨 | 2026-9 |
| 1993 | 0 | 千吨 | 2026-9 |
| 1992 | 0 | 千吨 | 2026-9 |
| 1991 | 0 | 千吨 | 2026-9 |
| 1990 | 0 | 千吨 | 2026-9 |
| 1989 | 0 | 千吨 | 2026-9 |
| 1988 | 0 | 千吨 | 2026-9 |