| 年份 | 卢旺达 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 17.5 |
| 2020 | 17.9 |
| 2019 | 18.3 |
| 2018 | 18.6 |
| 2017 | 19 |
| 2016 | 19.4 |
| 2015 | 19.8 |
| 2014 | 20.3 |
| 2013 | 20.8 |
| 2012 | 21.5 |
| 2011 | 22.3 |
| 2010 | 23.2 |
| 2009 | 24.2 |
| 2008 | 25.4 |
| 2007 | 26.7 |
| 2006 | 28.3 |
| 2005 | 30.2 |
| 2004 | 32.4 |
| 2003 | 34.9 |
| 2002 | 37.6 |
| 2001 | 40.6 |
| 2000 | 43.6 |
| 1999 | 46.3 |
| 1998 | 48.5 |
| 1997 | 49.9 |
| 1996 | 50.5 |
| 1995 | 50.1 |
| 1994 | 50.9 |
| 1993 | 46.5 |
| 1992 | 44.1 |
| 1991 | 42 |
| 1990 | 40.7 |
| 1989 | 40.5 |
| 1988 | 41.3 |
| 1987 | 42.7 |
| 1986 | 44.4 |
| 1985 | 46.3 |
| 1984 | 48.2 |
| 1983 | 50.4 |
| 1982 | 52.8 |
| 1981 | 55.5 |
| 1980 | 58.3 |
| 1979 | 60.5 |
| 1978 | 62.1 |
| 1977 | 62.9 |
| 1976 | 63 |
| 1975 | 62.5 |
| 1974 | 61.8 |
| 1973 | 61.1 |
| 1972 | 60.6 |
| 1971 | 60.3 |
| 1970 | 60.3 |
| 1969 | 60.3 |
| 1968 | 60.4 |
| 1967 | 60.6 |
| 1966 | 60.8 |
| 1965 | 61 |
| 1964 | 61.1 |
| 1963 | 61.2 |
| 1962 | 61.4 |
| 1961 | 61.7 |
| 1960 | 62.3 |