| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | 51370.73 |
| 8 | 2017 | 46565.55 |
| 9 | 2016 | 41862.17 |
| 10 | 2015 | 45267.31 |
| 11 | 2014 | 68336.60 |
| 12 | 2013 | 76812.54 |
| 13 | 2012 | 82089.73 |
| 14 | 2011 | 79036.79 |
| 15 | 2010 | 75184.09 |
| 16 | 2009 | 80110.07 |
| 17 | 2008 | 90337.36 |
| 18 | 2007 | 91434.90 |
| 19 | 2006 | 89075.22 |
| 20 | 2005 | 84968.02 |
| 21 | 2004 | 77226.64 |
| 22 | 2003 | 69752.38 |
| 23 | 2002 | 59713.17 |
| 24 | 2001 | 58552.78 |
| 25 | 2000 | 58702.87 |
| 26 | 1999 | 56406.47 |
| 27 | 1998 | 58343.79 |
| 28 | 1997 | 57419.93 |
| 29 | 1996 | 56912.70 |
| 30 | 1995 | 57163.35 |
| 31 | 1994 | 53945.59 |
| 32 | 1993 | 48481.76 |
| 33 | 1992 | 36149.18 |
| 34 | 1991 | 23390.42 |
| 35 | 1990 | 30763.07 |
