| 序号 | 时间 (年) |
数据 (百万美元) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | 42.36 |
| 8 | 2016 | 35.96 |
| 9 | 2015 | 33.36 |
| 10 | 2014 | 36.14 |
| 11 | 2013 | 32.54 |
| 12 | 2012 | 35.04 |
| 13 | 2011 | 31.13 |
| 14 | 2010 | 36.12 |
| 15 | 2009 | 33.39 |
| 16 | 2008 | 70.33 |
| 17 | 2007 | 84.14 |
| 18 | 2006 | 94.83 |
| 19 | 2005 | 81.00 |
| 20 | 1997 | 71.00 |
| 21 | 1995 | 67.00 |
| 22 | 1988 | 31.35 |
| 23 | 1987 | 20.19 |
| 24 | 1986 | 31.75 |
| 25 | 1985 | 53.79 |
| 26 | 1984 | 42.90 |
| 27 | 1983 | 33.61 |
| 28 | 1982 | 27.03 |
| 29 | 1981 | 13.39 |
| 30 | 1980 | 13.17 |
