| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | 32345.11 |
| 8 | 2017 | 30170.28 |
| 9 | 2016 | 28359.69 |
| 10 | 2015 | 26995.34 |
| 11 | 2014 | 25459.74 |
| 12 | 2013 | 24433.89 |
| 13 | 2012 | 23728.15 |
| 14 | 2011 | 22808.51 |
| 15 | 2010 | 20993.25 |
| 16 | 2009 | 19290.12 |
| 17 | 2008 | 18372.38 |
| 18 | 2007 | 16833.85 |
| 19 | 2006 | 15208.13 |
| 20 | 2005 | 13935.56 |
| 21 | 2004 | 13414.86 |
| 22 | 2003 | 12330.47 |
| 23 | 2002 | 11841.27 |
| 24 | 2001 | 11176.47 |
| 25 | 2000 | 10718.91 |
| 26 | 1999 | 10080.69 |
| 27 | 1998 | 9520.08 |
| 28 | 1997 | 8965.02 |
| 29 | 1996 | 8307.21 |
| 30 | 1995 | 7709.49 |
| 31 | 1994 | 7035.26 |
| 32 | 1993 | 6555.74 |
| 33 | 1992 | 6188.89 |
| 34 | 1991 | 5920.68 |
| 35 | 1990 | 6180.99 |
