| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | 47721.53 |
| 8 | 2017 | 45832.55 |
| 9 | 2016 | 43732.10 |
| 10 | 2015 | 41247.26 |
| 11 | 2014 | 40118.31 |
| 12 | 2013 | 39064.63 |
| 13 | 2012 | 37786.19 |
| 14 | 2011 | 37441.41 |
| 15 | 2010 | 35748.60 |
| 16 | 2009 | 34777.36 |
| 17 | 2008 | 35655.80 |
| 18 | 2007 | 34363.01 |
| 19 | 2006 | 32467.33 |
| 20 | 2005 | 29985.34 |
| 21 | 2004 | 28955.97 |
| 22 | 2003 | 27856.58 |
| 23 | 2002 | 27384.53 |
| 24 | 2001 | 26346.02 |
| 25 | 2000 | 25148.09 |
| 26 | 1999 | 23666.93 |
| 27 | 1998 | 22770.17 |
| 28 | 1997 | 21737.75 |
| 29 | 1996 | 20895.73 |
| 30 | 1995 | 20261.67 |
| 31 | 1994 | 19424.00 |
| 32 | 1993 | 18616.19 |
| 33 | 1992 | 18405.18 |
| 34 | 1991 | 17895.46 |
| 35 | 1990 | 17007.78 |
