| 年份 | 贝宁  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | 3435.17 | 
| 2021 | 3321.55 | 
| 2020 | 3186.49 | 
| 2019 | 3156.44 | 
| 2018 | 3040.17 | 
| 2017 | 2933.84 | 
| 2016 | 2859.39 | 
| 2015 | 2849.82 | 
| 2014 | 2883.9 | 
| 2013 | 2792.03 | 
| 2012 | 2681.35 | 
| 2011 | 2633.94 | 
| 2010 | 2634.13 | 
| 2009 | 2656.43 | 
| 2008 | 2673.77 | 
| 2007 | 2625.21 | 
| 2006 | 2549.19 | 
| 2005 | 2528.68 | 
| 2004 | 2566.35 | 
| 2003 | 2533 | 
| 2002 | 2523.61 | 
| 2001 | 2485.12 | 
| 2000 | 2431.45 | 
| 1999 | 2367.76 | 
| 1998 | 2317.48 | 
| 1997 | 2297.99 | 
| 1996 | 2237.53 | 
| 1995 | 2200.59 | 
| 1994 | 2118.28 | 
| 1993 | 2155.37 | 
| 1992 | 2129.2 | 
| 1991 | 2132.4 | 
| 1990 | 2109.56 | 
| 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 | - |