| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2022 | |
| 2 | 2021 | |
| 3 | 2020 | |
| 4 | 2019 | |
| 5 | 2018 | |
| 6 | 2017 | |
| 7 | 2016 | |
| 8 | 2015 | |
| 9 | 2014 | |
| 10 | 2013 | |
| 11 | 2012 | 127800751.15 |
| 12 | 1998 | 24422229.20 |
| 13 | 1997 | 25353411.19 |
| 14 | 1996 | 23472969.53 |
| 15 | 1995 | 19311336.87 |
| 16 | 1994 | 16645761.68 |
| 17 | 1993 | 15330385.54 |
| 18 | 1992 | 10399101.43 |
| 19 | 1991 | 18536634.97 |
| 20 | 1990 | 14030691.36 |
| 21 | 1989 | 22263428.50 |
| 22 | 1988 | 22907001.21 |
| 23 | 1987 | 24567419.41 |
| 24 | 1986 | 16107563.03 |
| 25 | 1985 | 15411558.67 |
| 26 | 1984 | 16974034.79 |
| 27 | 1983 | 20232918.78 |
| 28 | 1982 | 30307615.54 |
| 29 | 1981 | 28491070.66 |
| 30 | 1980 | 24981441.79 |
| 31 | 1979 | 22378384.27 |
| 32 | 1978 | 20124559.98 |
| 33 | 1977 | 15289418.60 |
| 34 | 1976 | 13837602.52 |
| 35 | 1975 | 13177354.90 |
