| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | 43386.70 |
| 8 | 2017 | 42142.34 |
| 9 | 2016 | 40482.56 |
| 10 | 2015 | 37394.45 |
| 11 | 2014 | 36665.69 |
| 12 | 2013 | 36459.30 |
| 13 | 2012 | 36281.10 |
| 14 | 2011 | 36392.28 |
| 15 | 2010 | 34977.99 |
| 16 | 2009 | 34483.73 |
| 17 | 2008 | 35422.34 |
| 18 | 2007 | 34108.77 |
| 19 | 2006 | 32460.55 |
| 20 | 2005 | 30137.82 |
| 21 | 2004 | 29584.80 |
| 22 | 2003 | 29252.90 |
| 23 | 2002 | 28833.02 |
| 24 | 2001 | 28137.06 |
| 25 | 2000 | 27146.32 |
| 26 | 1999 | 25654.68 |
| 27 | 1998 | 25073.65 |
| 28 | 1997 | 23931.17 |
| 29 | 1996 | 23092.19 |
| 30 | 1995 | 22431.22 |
| 31 | 1994 | 21354.41 |
| 32 | 1993 | 20471.84 |
| 33 | 1992 | 20182.17 |
| 34 | 1991 | 19582.53 |
| 35 | 1990 | 18667.88 |
