| 年份 | 单位:美元/吨 |
| 含“(E)”其对应值为系统预测,仅供参考。 | |
| 2026(E) | 购买后可见 » |
| 2025(E) | 购买后可见 » |
| 2024(E) | 购买后可见 » |
| 2023 | 购买后可见 » |
| 2022 | 购买后可见 » |
| 2021 | 购买后可见 » |
| 2020 | 购买后可见 » |
| 2019 | 购买后可见 » |
| 2018 | 购买后可见 » |
| 2017 | 购买后可见 » |
| 2016 | 购买后可见 » |
| 2015 | 购买后可见 » |
| 2014 | 购买后可见 » |
| 2013 | 81.69 |
| 2012 | 92.50 |
| 2011 | 122.00 |
| 2010 | 92.50 |
| 2009 | 70.66 |
| 2008 | 147.67 |
| 2007 | 88.79 |
| 2006 | 64.11 |
| 2005 | 60.54 |
| 2004 | 72.08 |
| 2003 | 43.60 |
| 2002 | 31.65 |
| 2001 | 39.03 |
| 2000 | 35.99 |
| 1999 | 28.79 |
| 1998 | 32.00 |
| 1997 | 38.92 |
| 1996 | 41.25 |
| 1995 | 44.50 |
| 1994 | 37.18 |
| 1993 | 33.68 |
| 1992 | 38.53 |
| 1991 | 42.80 |
| 1990 | 43.48 |
| 1989 | 42.08 |
| 1988 | 39.94 |
| 1987 | 31.30 |
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