| 年度 | 数值 | 单位 | 发布日期 |
| 2026 | 17550 | 千吨 | 2026-9 |
| 2025 | 16797 | 千吨 | 2026-9 |
| 2024 | 15827 | 千吨 | 2026-9 |
| 2023 | 15556 | 千吨 | 2026-9 |
| 2022 | 14933 | 千吨 | 2026-9 |
| 2021 | 15488 | 千吨 | 2026-9 |
| 2020 | 15599 | 千吨 | 2026-9 |
| 2019 | 14380 | 千吨 | 2026-9 |
| 2018 | 12042 | 千吨 | 2026-9 |
| 2017 | 11911 | 千吨 | 2026-9 |
| 2016 | 12878 | 千吨 | 2026-9 |
| 2015 | 13829 | 千吨 | 2026-9 |
| 2014 | 13416 | 千吨 | 2026-9 |
| 2013 | 13754 | 千吨 | 2026-9 |
| 2012 | 14118 | 千吨 | 2026-9 |
| 2011 | 13596 | 千吨 | 2026-9 |
| 2010 | 12987 | 千吨 | 2026-9 |
| 2009 | 12646 | 千吨 | 2026-9 |
| 2008 | 12381 | 千吨 | 2026-9 |
| 2007 | 11908 | 千吨 | 2026-9 |
| 2006 | 10817 | 千吨 | 2026-9 |
| 2005 | 10541 | 千吨 | 2026-9 |
| 2004 | 10292 | 千吨 | 2026-9 |
| 2003 | 10470 | 千吨 | 2026-9 |
| 2002 | 10109 | 千吨 | 2026-9 |
| 2001 | 9837 | 千吨 | 2026-9 |
| 2000 | 9968 | 千吨 | 2026-9 |
| 1999 | 9208 | 千吨 | 2026-9 |