| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | |
| 8 | 2016 | |
| 9 | 2015 | |
| 10 | 2014 | |
| 11 | 2013 | 70019.08 |
| 12 | 2012 | 66560.41 |
| 13 | 2011 | 65285.97 |
| 14 | 2010 | 62689.28 |
| 15 | 2009 | 61699.09 |
| 16 | 2008 | 65226.77 |
| 17 | 2007 | 66196.67 |
| 18 | 2006 | 63792.11 |
| 19 | 2005 | 60867.11 |
| 20 | 2004 | 57253.36 |
| 21 | 2003 | 50864.61 |
| 22 | 2002 | 47741.20 |
| 23 | 2001 | 44575.08 |
| 24 | 2000 | 47107.83 |
| 25 | 1999 | 43155.34 |
| 26 | 1998 | 45034.17 |
| 27 | 1997 | 45099.49 |
| 28 | 1996 | 41841.84 |
| 29 | 1995 | 40002.37 |
| 30 | 1994 | 38000.22 |
| 31 | 1993 | 42886.66 |
| 32 | 1992 | 38025.67 |
| 33 | 1991 | 36450.16 |
