| 年份 | 卢旺达 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 0.52 |
| 2020 | 0.53 |
| 2019 | 0.58 |
| 2018 | 0.65 |
| 2017 | 0.76 |
| 2016 | 0.93 |
| 2015 | 1.01 |
| 2014 | 1.11 |
| 2013 | 1.24 |
| 2012 | 1.36 |
| 2011 | 1.45 |
| 2010 | 1.54 |
| 2009 | 1.59 |
| 2008 | 1.71 |
| 2007 | 1.91 |
| 2006 | 2.47 |
| 2005 | 2.79 |
| 2004 | 3.11 |
| 2003 | 3.45 |
| 2002 | 3.81 |
| 2001 | 4.24 |
| 2000 | 4.74 |
| 1999 | 5.29 |
| 1998 | 5.87 |
| 1997 | 6.34 |
| 1996 | 6.64 |
| 1995 | 6.86 |
| 1994 | 6.91 |
| 1993 | 6.84 |
| 1992 | 6.84 |
| 1991 | 7.43 |
| 1990 | 7.22 |
| 1989 | - |
| 1988 | - |
| 1987 | - |
| 1986 | - |
| 1985 | - |
| 1984 | - |
| 1983 | - |
| 1982 | - |
| 1981 | - |
| 1980 | - |
| 1979 | - |
| 1978 | - |
| 1977 | - |
| 1976 | - |
| 1975 | - |
| 1974 | - |
| 1973 | - |
| 1972 | - |
| 1971 | - |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |