| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | 41638.18 |
| 8 | 2017 | 39346.03 |
| 9 | 2016 | 36445.05 |
| 10 | 2015 | 34102.18 |
| 11 | 2014 | 32743.49 |
| 12 | 2013 | 31013.01 |
| 13 | 2012 | 29465.61 |
| 14 | 2011 | 29237.19 |
| 15 | 2010 | 28156.99 |
| 16 | 2009 | 27698.81 |
| 17 | 2008 | 27937.84 |
| 18 | 2007 | 26268.57 |
| 19 | 2006 | 23919.29 |
| 20 | 2005 | 22114.84 |
| 21 | 2004 | 20990.93 |
| 22 | 2003 | 19606.59 |
| 23 | 2002 | 18344.03 |
| 24 | 2001 | 17711.34 |
| 25 | 2000 | 16328.80 |
| 26 | 1999 | 15493.98 |
| 27 | 1998 | 15062.76 |
| 28 | 1997 | 14907.64 |
| 29 | 1996 | 14775.32 |
| 30 | 1995 | 13948.06 |
| 31 | 1994 | 12819.82 |
| 32 | 1993 | 12201.35 |
| 33 | 1992 | 11923.85 |
| 34 | 1991 | 11729.51 |
| 35 | 1990 | 12806.03 |
