| 序号 | 时间 (年) |
数据 (万美元) |
|---|---|---|
| 1 | 2022 | |
| 2 | 2021 | |
| 3 | 2020 | |
| 4 | 2019 | |
| 5 | 2018 | |
| 6 | 2017 | |
| 7 | 1998 | 220.72 |
| 8 | 1997 | 269.34 |
| 9 | 1996 | 436.52 |
| 10 | 1995 | 544.82 |
| 11 | 1994 | 489.58 |
| 12 | 1993 | 226.81 |
| 13 | 1992 | 5013.40 |
| 14 | 1991 | 1173.95 |
| 15 | 1990 | 1370.81 |
| 16 | 1989 | 478.02 |
| 17 | 1988 | 930.10 |
| 18 | 1987 | 670.02 |
| 19 | 1986 | 185.55 |
| 20 | 1985 | 79.13 |
| 21 | 1984 | 95.61 |
| 22 | 1983 | 122.24 |
| 23 | 1982 | 231.80 |
| 24 | 1981 | 370.63 |
| 25 | 1980 | 557.56 |
| 26 | 1979 | 235.33 |
| 27 | 1978 | 56.32 |
| 28 | 1977 | 30.71 |
| 29 | 1976 | 42.20 |
| 30 | 1975 | 44.08 |
