| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | 24053.25 |
| 8 | 2017 | 22316.98 |
| 9 | 2016 | 20745.40 |
| 10 | 2015 | 18901.17 |
| 11 | 2014 | 17990.83 |
| 12 | 2013 | 16893.82 |
| 13 | 2012 | 16327.29 |
| 14 | 2011 | 15747.42 |
| 15 | 2010 | 14955.92 |
| 16 | 2009 | 14180.73 |
| 17 | 2008 | 14346.88 |
| 18 | 2007 | 12822.31 |
| 19 | 2006 | 11408.05 |
| 20 | 2005 | 10291.45 |
| 21 | 2004 | 9201.74 |
| 22 | 2003 | 8417.47 |
| 23 | 2002 | 7786.42 |
| 24 | 2001 | 6961.04 |
| 25 | 2000 | 6422.78 |
| 26 | 1999 | 5807.81 |
| 27 | 1998 | 6177.64 |
| 28 | 1997 | 5749.35 |
| 29 | 1996 | 6846.44 |
| 30 | 1995 | 7737.76 |
| 31 | 1994 | 7335.24 |
| 32 | 1993 | 7029.74 |
| 33 | 1992 | 6914.77 |
| 34 | 1991 | 7213.05 |
| 35 | 1990 | 7545.59 |
