| 年份 | 卢旺达 |
|---|---|
| 2023 | - |
| 2022 | 2.08165 |
| 2021 | 2.13195 |
| 2020 | 2.18729 |
| 2019 | 2.23338 |
| 2018 | 2.26643 |
| 2017 | 2.2839 |
| 2016 | 2.28003 |
| 2015 | 2.25479 |
| 2014 | 2.21854 |
| 2013 | 2.17759 |
| 2012 | 2.13084 |
| 2011 | 2.07425 |
| 2010 | 2.00942 |
| 2009 | 1.93686 |
| 2008 | 1.85373 |
| 2007 | 1.76344 |
| 2006 | 1.6657 |
| 2005 | 1.56382 |
| 2004 | 1.47171 |
| 2003 | 1.39969 |
| 2002 | 1.35504 |
| 2001 | 1.32867 |
| 2000 | 1.29614 |
| 1999 | 1.25177 |
| 1998 | 1.20403 |
| 1997 | 1.18932 |
| 1996 | 1.21068 |
| 1995 | 1.24559 |
| 1994 | 1.50658 |
| 1993 | 1.70753 |
| 1992 | 1.79982 |
| 1991 | 1.8926 |
| 1990 | 1.97999 |
| 1989 | 2.05815 |
| 1988 | 2.12532 |
| 1987 | 2.17955 |
| 1986 | 2.22549 |
| 1985 | 2.2602 |
| 1984 | 2.27214 |
| 1983 | 2.25728 |
| 1982 | 2.21967 |
| 1981 | 2.15733 |
| 1980 | 2.07518 |
| 1979 | 1.98368 |
| 1978 | 1.88201 |
| 1977 | 1.78044 |
| 1976 | 1.69356 |
| 1975 | 1.62938 |
| 1974 | 1.59097 |
| 1973 | 1.58417 |
| 1972 | 1.60594 |
| 1971 | 1.64017 |
| 1970 | 1.67745 |
| 1969 | 1.72122 |
| 1968 | 1.77391 |
| 1967 | 1.82259 |
| 1966 | 1.86179 |
| 1965 | 1.8958 |
| 1964 | 1.92213 |
| 1963 | 1.937 |
| 1962 | 1.95211 |
| 1961 | 1.97898 |
| 1960 | 2.01604 |