| 年份 | 贝宁 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 1408.6 |
| 2020 | 1432.8 |
| 2019 | 1238.3 |
| 2018 | 1428.5 |
| 2017 | 1405.4 |
| 2016 | 1455.9 |
| 2015 | 1336.7 |
| 2014 | 1460.3 |
| 2013 | 1479.6 |
| 2012 | 1373.2 |
| 2011 | 1517.8 |
| 2010 | 1200.6 |
| 2009 | 1423.5 |
| 2008 | 1158.7 |
| 2007 | 1286 |
| 2006 | 1190.5 |
| 2005 | 1136.4 |
| 2004 | 1146 |
| 2003 | 1148.7 |
| 2002 | 1131.1 |
| 2001 | 1069.3 |
| 2000 | 1102.1 |
| 1999 | 1162.6 |
| 1998 | 1055.9 |
| 1997 | 1117 |
| 1996 | 1009.6 |
| 1995 | 1086.5 |
| 1994 | 956.9 |
| 1993 | 919.2 |
| 1992 | 913.4 |
| 1991 | 878.6 |
| 1990 | 847.9 |
| 1989 | 853.7 |
| 1988 | 834.7 |
| 1987 | 725.1 |
| 1986 | 836.2 |
| 1985 | 855.8 |
| 1984 | 799.1 |
| 1983 | 599.9 |
| 1982 | 649.5 |
| 1981 | 653.8 |
| 1980 | 718.3 |
| 1979 | 720.9 |
| 1978 | 741.1 |
| 1977 | 754 |
| 1976 | 724.6 |
| 1975 | 739.3 |
| 1974 | 707.9 |
| 1973 | 687.7 |
| 1972 | 555.8 |
| 1971 | 532.7 |
| 1970 | 577.1 |
| 1969 | 556.8 |
| 1968 | 573.8 |
| 1967 | 577.5 |
| 1966 | 531.8 |
| 1965 | 551.5 |
| 1964 | 529.3 |
| 1963 | 503.5 |
| 1962 | 489.9 |
| 1961 | 546.1 |
| 1960 | - |