| 时期 |
斯威士兰 （亿美元） |
塞拉利昂 （亿美元） |
差值 |
|---|---|---|---|
| 2025 | -- | ||
| 2024 | -- | ||
| 2023 | -- | ||
| 2022 | -- | ||
| 2021 | -- | ||
| 2020 | -- | ||
| 2019 | -- | ||
| 2018 | -- | ||
| 2017 | -- | ||
| 2016 | -- | ||
| 2015 | 39.09 | 67.88 | 28.79 |
| 2014 | 42.86 | 76.86 | 34.00 |
| 2013 | 44.65 | 75.03 | 30.38 |
| 2012 | 48.87 | 61.42 | 12.55 |
| 2011 | 48.20 | 48.62 | 0.41 |
| 2010 | 44.39 | 42.63 | -1.76 |
| 2009 | 35.80 | 39.53 | 3.73 |
| 2008 | 32.94 | 41.58 | 8.64 |
| 2007 | 34.69 | 36.33 | 1.64 |
| 2006 | 32.91 | 32.64 | -0.28 |
| 2005 | 31.78 | 25.45 | -6.33 |
| 2004 | 27.70 | 22.37 | -5.33 |
| 2003 | 21.98 | 21.43 | -0.55 |
| 2002 | 14.32 | 19.34 | 5.02 |
| 2001 | 15.42 | 16.81 | 1.39 |
| 2000 | 17.38 | 6.36 | -11.02 |
| 1999 | 15.48 | 6.69 | -8.79 |
| 1998 | 15.77 | 6.72 | -9.05 |
| 1997 | 17.17 | 8.50 | -8.66 |
| 1996 | 16.03 | 9.42 | -6.61 |
| 1995 | 16.99 | 8.71 | -8.28 |
| 1994 | 14.19 | 9.12 | -5.07 |
| 1993 | 13.57 | 7.69 | -5.88 |
| 1992 | 12.85 | 6.80 | -6.05 |
| 1991 | 11.56 | 7.80 | -3.76 |
| 1990 | 11.15 | 6.50 | -4.65 |
| 1989 | 6.97 | 9.33 | 2.36 |
| 1988 | 6.92 | 10.55 | 3.63 |
| 1987 | 5.84 | 6.60 | 0.76 |
| 1986 | 4.49 | 4.90 | 0.41 |
| 1985 | 3.60 | 8.57 | 4.97 |
| 1984 | 4.94 | 10.87 | 5.93 |
| 1983 | 5.55 | 9.95 | 4.40 |
| 1982 | 5.38 | 12.95 | 7.57 |
| 1981 | 5.71 | 11.15 | 5.44 |
| 1980 | 5.42 | 11.00 | 5.59 |
| 1979 | 4.12 | 11.09 | 6.97 |
| 1978 | 3.41 | 9.61 | 6.20 |
| 1977 | 3.04 | 6.92 | 3.88 |
| 1976 | 2.73 | 5.95 | 3.22 |
| 1975 | 2.88 | 6.79 | 3.91 |
| 1974 | 2.64 | 6.49 | 3.85 |
| 1973 | 2.22 | 5.75 | 3.54 |
| 1972 | 1.47 | 4.65 | 3.19 |
| 1971 | 1.36 | 4.20 | 2.83 |
| 1970 | 1.12 | 4.35 | 3.22 |
| 1969 | 1.05 | 4.09 | 3.03 |
| 1968 | 0.80 | 3.30 | 2.50 |
| 1967 | 0.75 | 3.49 | 2.74 |
| 1966 | 0.77 | 3.76 | 2.99 |
| 1965 | 0.70 | 3.60 | 2.89 |
| 1964 | 0.65 | 3.72 | 3.07 |
| 1963 | 0.54 | 3.49 | 2.95 |
| 1962 | 0.46 | 3.43 | 2.97 |
| 1961 | 0.43 | 3.28 | 2.85 |
| 1960 | 0.35 | 3.22 | 2.87 |