| 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 | 32026.53 |
| 12 | 2013 | 31746.21 |
| 13 | 2012 | 31883.23 |
| 14 | 2011 | 31077.80 |
| 15 | 2010 | 30778.31 |
| 16 | 2009 | 29601.62 |
| 17 | 2008 | 30807.28 |
| 18 | 2007 | 29354.53 |
| 19 | 2006 | 27393.35 |
| 20 | 2005 | 23536.03 |
| 21 | 2004 | 20673.75 |
| 22 | 2003 | 18742.64 |
| 23 | 2002 | 16141.24 |
| 24 | 2001 | 14797.10 |
| 25 | 2000 | 13953.14 |
| 26 | 1999 | 12812.42 |
| 27 | 1998 | 11735.14 |
| 28 | 1997 | 10768.80 |
| 29 | 1996 | 9882.73 |
| 30 | 1995 | 9099.03 |
| 31 | 1994 | 8630.59 |
| 32 | 1993 | 8209.29 |
| 33 | 1992 | 8129.04 |
| 34 | 1991 | 7273.64 |
| 35 | 1990 | 6877.62 |
