| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | 37780.33 |
| 8 | 2017 | 33619.50 |
| 9 | 2016 | 33333.86 |
| 10 | 2015 | 36058.17 |
| 11 | 2014 | 44235.83 |
| 12 | 2013 | 47013.47 |
| 13 | 2012 | 49989.44 |
| 14 | 2011 | 52393.31 |
| 15 | 2010 | 55667.47 |
| 16 | 2009 | 55127.47 |
| 17 | 2008 | 52841.19 |
| 18 | 2007 | 48626.92 |
| 19 | 2006 | 46091.18 |
| 20 | 2005 | 43672.52 |
| 21 | 2004 | 42141.64 |
| 22 | 2003 | 40934.70 |
| 23 | 2002 | 41511.03 |
| 24 | 2001 | 41679.02 |
| 25 | 2000 | 39443.26 |
| 26 | 1999 | 36791.58 |
| 27 | 1998 | 36665.64 |
| 28 | 1997 | 36808.93 |
| 29 | 1996 | 34660.62 |
| 30 | 1995 | 33598.33 |
| 31 | 1994 | 31924.78 |
| 32 | 1993 | 30986.53 |
| 33 | 1992 | 29772.90 |
| 34 | 1991 | 28108.66 |
| 35 | 1990 | 26904.00 |
