| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | 40189.99 |
| 8 | 2017 | 39470.87 |
| 9 | 2016 | 38189.16 |
| 10 | 2015 | 35868.97 |
| 11 | 2014 | 34816.24 |
| 12 | 2013 | 34827.36 |
| 13 | 2012 | 32483.74 |
| 14 | 2011 | 31313.93 |
| 15 | 2010 | 29455.82 |
| 16 | 2009 | 28097.19 |
| 17 | 2008 | 28083.84 |
| 18 | 2007 | 28265.88 |
| 19 | 2006 | 26365.58 |
| 20 | 2005 | 25700.99 |
| 21 | 2004 | 26071.05 |
| 22 | 2003 | 24678.40 |
| 23 | 2002 | 26101.33 |
| 24 | 2001 | 25813.24 |
| 25 | 2000 | 25783.17 |
| 26 | 1999 | 23415.28 |
| 27 | 1998 | 22912.51 |
| 28 | 1997 | 22281.02 |
| 29 | 1996 | 21653.18 |
| 30 | 1995 | 20609.82 |
| 31 | 1994 | 19448.25 |
| 32 | 1993 | 18189.99 |
| 33 | 1992 | 17525.95 |
| 34 | 1991 | 16460.68 |
| 35 | 1990 | 15696.92 |
