| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | 18413.13 |
| 8 | 2017 | 18434.77 |
| 9 | 2016 | 16649.48 |
| 10 | 2015 | 19478.70 |
| 11 | 2014 | 27177.27 |
| 12 | 2013 | 27909.52 |
| 13 | 2012 | 30011.93 |
| 14 | 2011 | 27241.60 |
| 15 | 2010 | 26167.83 |
| 16 | 2009 | 29722.00 |
| 17 | 2008 | 30522.78 |
| 18 | 2007 | 26610.77 |
| 19 | 2006 | 23511.40 |
| 20 | 2005 | 22137.05 |
| 21 | 2004 | 19354.21 |
| 22 | 2003 | 14496.17 |
| 23 | 2002 | 13254.82 |
| 24 | 2001 | 11626.72 |
| 25 | 2000 | 7420.39 |
| 26 | 1999 | 6469.84 |
| 27 | 1998 | 5280.39 |
| 28 | 1997 | 4386.83 |
| 29 | 1996 | 1793.19 |
| 30 | 1995 | 1098.25 |
| 31 | 1994 | 950.76 |
| 32 | 1993 | 828.16 |
| 33 | 1992 | 756.06 |
| 34 | 1991 | 569.28 |
| 35 | 1990 | 577.40 |
