| 序号 | 时间 (年) |
数据 (万美元) |
|---|---|---|
| 1 | 2022 | |
| 2 | 2021 | |
| 3 | 2020 | |
| 4 | 2019 | |
| 5 | 2018 | |
| 6 | 2017 | |
| 7 | 2016 | 26993.01 |
| 8 | 2015 | 24617.66 |
| 9 | 2014 | 27880.44 |
| 10 | 2013 | 18624.40 |
| 11 | 2012 | 14516.53 |
| 12 | 1998 | 3397.25 |
| 13 | 1997 | 3490.87 |
| 14 | 1996 | 3155.48 |
| 15 | 1995 | 2788.05 |
| 16 | 1994 | 2600.85 |
| 17 | 1993 | 2138.14 |
| 18 | 1992 | 2015.47 |
| 19 | 1991 | 3120.35 |
| 20 | 1990 | 2677.12 |
| 21 | 1989 | 3360.59 |
| 22 | 1988 | 3525.07 |
| 23 | 1987 | 3454.33 |
| 24 | 1986 | 2373.11 |
| 25 | 1985 | 2708.70 |
| 26 | 1984 | 2802.36 |
| 27 | 1983 | 3024.90 |
| 28 | 1982 | 4724.82 |
| 29 | 1981 | 4890.69 |
| 30 | 1980 | 5647.50 |
| 31 | 1979 | 4545.41 |
| 32 | 1978 | 3388.03 |
| 33 | 1977 | 2154.12 |
| 34 | 1976 | 1945.70 |
| 35 | 1975 | 1804.93 |
