| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2025 | |
| 2 | 2024 | |
| 3 | 2023 | |
| 4 | 2022 | |
| 5 | 2021 | |
| 6 | 2020 | |
| 7 | 2019 | 26600.00 |
| 8 | 2018 | 27400.00 |
| 9 | 2017 | 28300.00 |
| 10 | 2016 | 27800.00 |
| 11 | 2015 | 28700.00 |
| 12 | 2014 | 28200.00 |
| 13 | 2013 | 29200.00 |
| 14 | 2012 | 28800.00 |
| 15 | 2011 | 29400.00 |
| 16 | 2010 | 28100.00 |
| 17 | 2009 | 25700.00 |
| 18 | 2008 | 27700.00 |
| 19 | 2007 | 26900.00 |
| 20 | 2006 | 24900.00 |
| 21 | 2005 | 23300.00 |
| 22 | 2004 | 21600.00 |
| 23 | 2003 | 20000.00 |
| 24 | 2002 | 18600.00 |
| 25 | 2001 | 21100.00 |
| 26 | 2000 | 22300.00 |
| 27 | 1999 | 22700.00 |
| 28 | 1998 | 23800.00 |
| 29 | 1997 | 23200.00 |
| 30 | 1996 | 21700.00 |
| 31 | 1995 | 20800.00 |
| 32 | 1994 | 21700.00 |
| 33 | 1993 | 20800.00 |
| 34 | 1992 | 19500.00 |
| 35 | 1991 | 18300.00 |
| 36 | 1990 | 17000.00 |
