| 序号 | 时间 (年) |
数据 (万美元) |
|---|---|---|
| 1 | 2022 | |
| 2 | 2020 | |
| 3 | 2019 | |
| 4 | 2018 | |
| 5 | 2017 | |
| 6 | 2016 | |
| 7 | 2015 | |
| 8 | 2014 | |
| 9 | 2013 | |
| 10 | 2012 | |
| 11 | 2011 | 613.00 |
| 12 | 2010 | 290.00 |
| 13 | 2009 | 352.00 |
| 14 | 2008 | 274.00 |
| 15 | 2007 | 307.00 |
| 16 | 2006 | 460.00 |
| 17 | 2005 | 639.00 |
| 18 | 2004 | 489.00 |
| 19 | 2003 | 516.00 |
| 20 | 2002 | 483.00 |
| 21 | 2001 | 499.00 |
| 22 | 2000 | 665.00 |
| 23 | 1999 | 844.00 |
| 24 | 1998 | 214.00 |
| 25 | 1997 | 32.00 |
| 26 | 1996 | 280.00 |
| 27 | 1995 | 90.00 |
| 28 | 1994 | 814.00 |
| 29 | 1993 | 194.00 |
| 30 | 1992 | 88.00 |
| 31 | 1991 | 118.00 |
| 32 | 1990 | 378.00 |
| 33 | 1989 | 550.00 |
| 34 | 1988 | 58.00 |
| 35 | 1987 | 160.00 |
| 36 | 1986 | 277.00 |
| 37 | 1985 | 281.00 |
| 38 | 1984 | 258.00 |
| 39 | 1983 | 348.00 |
| 40 | 1982 | 296.00 |
| 41 | 1981 | 260.00 |
| 42 | 1980 | 245.00 |
| 43 | 1979 | 234.00 |
| 44 | 1978 | 191.00 |
| 45 | 1977 | 147.00 |
| 46 | 1976 | 123.00 |
| 47 | 1975 | 108.00 |
| 48 | 1974 | 64.00 |
| 49 | 1973 | 75.00 |
| 50 | 1972 | 20.00 |
| 51 | 1971 | 109.00 |
| 52 | 1970 | 89.00 |
| 53 | 1969 | 64.00 |
| 54 | 1968 | 80.00 |
| 55 | 1967 | 58.00 |
| 56 | 1966 | 69.00 |
| 57 | 1965 | 111.00 |
| 58 | 1964 | 110.00 |
| 59 | 1963 | 41.00 |
| 60 | 1962 | 128.00 |
| 61 | 1961 | 23.00 |
| 62 | 1960 | 33.00 |
| 63 | 1959 | 93.00 |
| 64 | 1958 | 63.00 |
| 65 | 1957 | 159.00 |
| 66 | 1956 | 217.00 |
| 67 | 1955 | 76.00 |
| 68 | 1954 | 185.00 |
| 69 | 1953 | 334.00 |
