| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | 42154.48 |
| 8 | 2016 | 42819.32 |
| 9 | 2015 | 45412.85 |
| 10 | 2014 | 45842.68 |
| 11 | 2013 | 45682.22 |
| 12 | 2012 | 43959.78 |
| 13 | 2011 | 43993.17 |
| 14 | 2010 | 44893.00 |
| 15 | 2009 | 43324.06 |
| 16 | 2008 | 40810.81 |
| 17 | 2007 | 37442.60 |
| 18 | 2006 | 29235.95 |
| 19 | 2005 | 21770.58 |
| 20 | 2004 | 17154.92 |
| 21 | 2003 | 15653.61 |
| 22 | 2002 | 14257.50 |
| 23 | 2001 | 13058.22 |
| 24 | 2000 | 11908.01 |
| 25 | 1999 | 10722.49 |
| 26 | 1998 | 10022.09 |
| 27 | 1997 | 9120.70 |
| 28 | 1996 | 8644.65 |
| 29 | 1995 | 8599.31 |
| 30 | 1994 | 9975.61 |
| 31 | 1993 | 12701.61 |
| 32 | 1992 | 16759.35 |
| 33 | 1991 | 22281.13 |
