| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | |
| 8 | 2016 | |
| 9 | 2015 | |
| 10 | 2014 | |
| 11 | 2013 | 68364.76 |
| 12 | 2012 | 69196.54 |
| 13 | 2011 | 68645.80 |
| 14 | 2010 | 66182.54 |
| 15 | 2009 | 65584.21 |
| 16 | 2008 | 65278.88 |
| 17 | 2007 | 64290.03 |
| 18 | 2006 | 62669.51 |
| 19 | 2005 | 60743.61 |
| 20 | 2004 | 59633.74 |
| 21 | 2003 | 57141.44 |
| 22 | 2002 | 56321.98 |
| 23 | 2001 | 57534.73 |
| 24 | 2000 | 58056.08 |
| 25 | 1999 | 59738.22 |
| 26 | 1998 | 59985.03 |
| 27 | 1997 | 60022.82 |
| 28 | 1996 | 58383.53 |
| 29 | 1995 | 57612.49 |
| 30 | 1994 | 61742.10 |
| 31 | 1993 | 62407.26 |
| 32 | 1992 | 68102.82 |
| 33 | 1991 | 68152.62 |
