| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | 5935.17 |
| 8 | 2017 | 6225.35 |
| 9 | 2016 | 5882.37 |
| 10 | 2015 | 5448.89 |
| 11 | 2014 | 5067.75 |
| 12 | 2013 | 4710.57 |
| 13 | 2012 | 4507.94 |
| 14 | 2011 | 4324.71 |
| 15 | 2010 | 4042.22 |
| 16 | 2009 | 3879.67 |
| 17 | 2008 | 4044.38 |
| 18 | 2007 | 3891.50 |
| 19 | 2006 | 3657.97 |
| 20 | 2005 | 3455.99 |
| 21 | 2004 | 3255.49 |
| 22 | 2003 | 3046.09 |
| 23 | 2002 | 2948.23 |
| 24 | 2001 | 2916.55 |
| 25 | 2000 | 2806.26 |
| 26 | 1999 | 2672.49 |
| 27 | 1998 | 2497.45 |
| 28 | 1997 | 2417.99 |
| 29 | 1996 | 2324.78 |
| 30 | 1995 | 2187.03 |
| 31 | 1994 | 2064.17 |
| 32 | 1993 | 1997.71 |
| 33 | 1992 | 2002.64 |
| 34 | 1991 | 1995.08 |
| 35 | 1990 | 1978.57 |
