| 序号 | 时间 (年) |
数据 (万美元) |
|---|---|---|
| 1 | 2022 | |
| 2 | 2021 | |
| 3 | 2020 | |
| 4 | 2019 | |
| 5 | 2018 | |
| 6 | 2017 | |
| 7 | 2016 | 60538.70 |
| 8 | 2015 | 64074.60 |
| 9 | 2014 | 90032.96 |
| 10 | 2013 | 99940.49 |
| 11 | 2012 | 101666.86 |
| 12 | 1998 | 15253.41 |
| 13 | 1997 | 19995.61 |
| 14 | 1996 | 23127.54 |
| 15 | 1995 | 21698.67 |
| 16 | 1994 | 18107.22 |
| 17 | 1993 | 18494.14 |
| 18 | 1992 | 17907.14 |
| 19 | 1991 | 15095.34 |
| 20 | 1990 | 13684.58 |
| 21 | 1989 | 19603.62 |
| 22 | 1988 | 21704.52 |
| 23 | 1987 | 21452.84 |
| 24 | 1986 | 21114.62 |
| 25 | 1985 | 20177.73 |
| 26 | 1984 | 17778.07 |
| 27 | 1983 | 17717.03 |
| 28 | 1982 | 15754.55 |
| 29 | 1981 | 12812.70 |
| 30 | 1980 | 12776.04 |
| 31 | 1979 | 8317.26 |
| 32 | 1978 | 7525.59 |
| 33 | 1977 | 6719.01 |
| 34 | 1976 | 8089.33 |
| 35 | 1975 | 6918.11 |
