| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | 19119.12 |
| 8 | 2017 | 18938.24 |
| 9 | 2016 | 18944.10 |
| 10 | 2015 | 19361.81 |
| 11 | 2014 | 19623.03 |
| 12 | 2013 | 19721.29 |
| 13 | 2012 | 19809.82 |
| 14 | 2011 | 19426.33 |
| 15 | 2010 | 19847.23 |
| 16 | 2009 | 19540.25 |
| 17 | 2008 | 19423.34 |
| 18 | 2007 | 18005.72 |
| 19 | 2006 | 17400.16 |
| 20 | 2005 | 17032.34 |
| 21 | 2004 | 16671.34 |
| 22 | 2003 | 16695.74 |
| 23 | 2002 | 16723.69 |
| 24 | 2001 | 16609.85 |
| 25 | 2000 | 15841.26 |
