| 年份 | 卢旺达 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | - |
| 2020 | - |
| 2019 | - |
| 2018 | 0.184126 |
| 2017 | 0.258148 |
| 2016 | 0.137895 |
| 2015 | 0.0736384 |
| 2014 | 0.416449 |
| 2013 | 0.401066 |
| 2012 | 0.37926 |
| 2011 | 1.06461 |
| 2010 | 0.575061 |
| 2009 | 0.0816438 |
| 2008 | 0.257802 |
| 2007 | 0.106579 |
| 2006 | 0.00273728 |
| 2005 | 0.000665316 |
| 2004 | 0.000265502 |
| 2003 | 0.000616043 |
| 2002 | 0.00132118 |
| 2001 | 0.00102826 |
| 2000 | 0.000990537 |
| 1999 | 0.000577415 |
| 1998 | 0.00148827 |
| 1997 | 0.00118012 |
| 1996 | 0.000259773 |
| 1995 | 0.00281109 |
| 1994 | - |
| 1993 | - |
| 1992 | - |
| 1991 | 0.148774 |
| 1990 | 0.0604786 |
| 1989 | 0.0763939 |
| 1988 | 0.0026546 |
| 1987 | 0.00214434 |
| 1986 | 0.00105311 |
| 1985 | 0.13767 |
| 1984 | 0.2483 |
| 1983 | 0.321567 |
| 1982 | 0.320786 |
| 1981 | 0.462074 |
| 1980 | 0.9669 |
| 1979 | 0.875712 |
| 1978 | 0.807607 |
| 1977 | 0.848021 |
| 1976 | 0.328266 |
| 1975 | 0.195562 |
| 1974 | 1.16619 |
| 1973 | 0.171886 |
| 1972 | - |
| 1971 | - |
| 1970 | 0.196494 |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |