| 年份 | 贝宁 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 49.4 |
| 2020 | 50.7 |
| 2019 | 52 |
| 2018 | 53.3 |
| 2017 | 54.6 |
| 2016 | 55.7 |
| 2015 | 56.8 |
| 2014 | 58 |
| 2013 | 59.3 |
| 2012 | 60.5 |
| 2011 | 61.8 |
| 2010 | 63.2 |
| 2009 | 64.7 |
| 2008 | 66.1 |
| 2007 | 67.6 |
| 2006 | 69.1 |
| 2005 | 70.6 |
| 2004 | 72.1 |
| 2003 | 73.6 |
| 2002 | 75.2 |
| 2001 | 76.7 |
| 2000 | 78.7 |
| 1999 | 80.6 |
| 1998 | 82.5 |
| 1997 | 84.2 |
| 1996 | 85.9 |
| 1995 | 87.7 |
| 1994 | 89.5 |
| 1993 | 91.3 |
| 1992 | 93.1 |
| 1991 | 95.1 |
| 1990 | 97.1 |
| 1989 | 99.1 |
| 1988 | 100.9 |
| 1987 | 102.7 |
| 1986 | 104.4 |
| 1985 | 106.2 |
| 1984 | 107.9 |
| 1983 | 109.6 |
| 1982 | 111.4 |
| 1981 | 113.2 |
| 1980 | 115.2 |
| 1979 | 117.4 |
| 1978 | 119.8 |
| 1977 | 122.4 |
| 1976 | 125 |
| 1975 | 127.8 |
| 1974 | 130.6 |
| 1973 | 133.4 |
| 1972 | 136.2 |
| 1971 | 138.8 |
| 1970 | 141.4 |
| 1969 | 144 |
| 1968 | 146.7 |
| 1967 | 149.4 |
| 1966 | 152.2 |
| 1965 | 155.1 |
| 1964 | 158.1 |
| 1963 | 161.4 |
| 1962 | 164.5 |
| 1961 | 167.6 |
| 1960 | 170.7 |