| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | |
| 8 | 2017 | |
| 9 | 2016 | |
| 10 | 2015 | |
| 11 | 2014 | 48505.60 |
| 12 | 2013 | 45609.23 |
| 13 | 2012 | 45503.04 |
| 14 | 2011 | 46436.12 |
| 15 | 2010 | 43853.17 |
| 16 | 2009 | 42522.99 |
| 17 | 2008 | 44838.99 |
| 18 | 2007 | 47501.43 |
| 19 | 2006 | 46852.66 |
| 20 | 2005 | 44577.82 |
| 21 | 2004 | 42717.24 |
| 22 | 2003 | 41147.88 |
| 23 | 2002 | 38787.05 |
| 24 | 2001 | 36895.44 |
| 25 | 2000 | 33458.12 |
| 26 | 1999 | 31589.96 |
| 27 | 1998 | 30072.73 |
| 28 | 1997 | 29121.60 |
| 29 | 1996 | 26541.58 |
| 30 | 1995 | 24934.38 |
| 31 | 1994 | 23509.46 |
| 32 | 1993 | 22958.33 |
| 33 | 1992 | 23816.84 |
| 34 | 1991 | 24510.25 |
| 35 | 1990 | 24908.87 |
