| 年份 | 卢旺达 |
|---|---|
| 2023 | - |
| 2022 | 3.17877 |
| 2021 | 3.14887 |
| 2020 | 3.08173 |
| 2019 | 2.98169 |
| 2018 | 2.93593 |
| 2017 | 2.88257 |
| 2016 | 2.74832 |
| 2015 | 2.60381 |
| 2014 | 2.49546 |
| 2013 | 2.4029 |
| 2012 | 2.48935 |
| 2011 | 2.58916 |
| 2010 | 2.63069 |
| 2009 | 2.67012 |
| 2008 | 2.70526 |
| 2007 | 2.71734 |
| 2006 | 2.69434 |
| 2005 | 2.65533 |
| 2004 | 2.60293 |
| 2003 | 3.0645 |
| 2002 | 7.60449 |
| 2001 | 7.26923 |
| 2000 | 7.19439 |
| 1999 | 7.19974 |
| 1998 | 9.23643 |
| 1997 | 22.4146 |
| 1996 | 31.1434 |
| 1995 | -2.15442 |
| 1994 | -1.12572 |
| 1993 | 18.2827 |
| 1992 | 15.8187 |
| 1991 | 3.61407 |
| 1990 | 3.83736 |
| 1989 | 4.02462 |
| 1988 | 4.56288 |
| 1987 | 4.973 |
| 1986 | 4.9951 |
| 1985 | 4.78266 |
| 1984 | 4.6852 |
| 1983 | 4.95892 |
| 1982 | 5.19314 |
| 1981 | 5.00549 |
| 1980 | 4.74181 |
| 1979 | 4.805 |
| 1978 | 7.35141 |
| 1977 | 7.35254 |
| 1976 | 7.39038 |
| 1975 | 7.43543 |
| 1974 | 7.45923 |
| 1973 | 7.46056 |
| 1972 | 7.49038 |
| 1971 | 7.35924 |
| 1970 | 5.14413 |
| 1969 | 5.14937 |
| 1968 | 5.19793 |
| 1967 | 5.06763 |
| 1966 | 4.86875 |
| 1965 | 4.60455 |
| 1964 | 4.31575 |
| 1963 | 4.23705 |
| 1962 | 4.53579 |
| 1961 | 4.73319 |
| 1960 | - |