| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | 75140.78 |
| 8 | 2016 | 72676.19 |
| 9 | 2015 | 71766.48 |
| 10 | 2014 | 69648.45 |
| 11 | 2013 | 68469.28 |
| 12 | 2012 | 67777.54 |
| 13 | 2011 | 66843.89 |
| 14 | 2010 | 63972.88 |
| 15 | 2009 | 61881.21 |
| 16 | 2008 | 60395.33 |
| 17 | 2007 | 60303.84 |
| 18 | 2006 | 59048.86 |
| 19 | 2005 | 57546.94 |
| 20 | 2004 | 57415.75 |
| 21 | 2003 | 54808.06 |
| 22 | 2002 | 53038.68 |
| 23 | 2001 | 50320.64 |
| 24 | 2000 | 49012.42 |
| 25 | 1999 | 45032.47 |
| 26 | 1998 | 41849.63 |
| 27 | 1997 | 40512.11 |
| 28 | 1996 | 38406.94 |
| 29 | 1995 | 36539.26 |
| 30 | 1994 | 34232.11 |
| 31 | 1993 | 32257.22 |
| 32 | 1992 | 30900.62 |
| 33 | 1991 | 30269.80 |
