| 年份 | 单位:美元/吨 |
| 含“(E)”其对应值为系统预测,仅供参考。 | |
| 2024(E) | 购买后可见 » |
| 2023(E) | 购买后可见 » |
| 2022(E) | 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 | 购买后可见 » |
| 2012 | 购买后可见 » |
| 2011 | 229.00 |
| 2010 | 158.95 |
| 2009 | 167.82 |
| 2008 | 179.03 |
| 2007 | 88.24 |
| 2006 | 93.46 |
| 2005 | 89.33 |
| 2004 | 60.96 |
| 2003 | 41.57 |
| 2002 | 42.01 |
| 2001 | 41.33 |
| 2000 | 39.69 |
| 1999 | 42.83 |
| 1998 | 50.76 |
| 1997 | 55.51 |
| 1996 | 56.68 |
| 1995 | 54.47 |
| 1994 | 51.77 |
| 1993 | 55.26 |
| 1992 | 57.82 |
| 1991 | 60.45 |
| 1990 | 60.54 |
| 1989 | 58.68 |
| 1988 | 55.06 |
| 1987 | 53.44 |
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