| 年份 | 贝宁 |
|---|---|
| 2023 | - |
| 2022 | 1255.61 |
| 2021 | 1214.08 |
| 2020 | 1164.71 |
| 2019 | 1153.73 |
| 2018 | 1111.23 |
| 2017 | 1072.36 |
| 2016 | 1045.15 |
| 2015 | 1041.65 |
| 2014 | 1054.11 |
| 2013 | 1020.53 |
| 2012 | 980.075 |
| 2011 | 962.745 |
| 2010 | 962.816 |
| 2009 | 970.966 |
| 2008 | 977.303 |
| 2007 | 959.555 |
| 2006 | 931.769 |
| 2005 | 924.27 |
| 2004 | 938.038 |
| 2003 | 925.849 |
| 2002 | 922.418 |
| 2001 | 908.348 |
| 2000 | 888.73 |
| 1999 | 865.453 |
| 1998 | 847.074 |
| 1997 | 839.952 |
| 1996 | 817.85 |
| 1995 | 804.35 |
| 1994 | 774.263 |
| 1993 | 787.819 |
| 1992 | 778.255 |
| 1991 | 779.423 |
| 1990 | 771.076 |
| 1989 | 729.409 |
| 1988 | 773.847 |
| 1987 | 771.161 |
| 1986 | 806.54 |
| 1985 | 812.948 |
| 1984 | 778.291 |
| 1983 | 742.119 |
| 1982 | 798.268 |
| 1981 | 803.165 |
| 1980 | 750.96 |
| 1979 | 722.399 |
| 1978 | 695.881 |
| 1977 | 704.788 |
| 1976 | 688.04 |
| 1975 | 698.485 |
| 1974 | 751.664 |
| 1973 | 744.029 |
| 1972 | 733.571 |
| 1971 | 704.458 |
| 1970 | 730.523 |
| 1969 | 730.562 |
| 1968 | 724.801 |
| 1967 | 712.09 |
| 1966 | 718.412 |
| 1965 | 706.996 |
| 1964 | 684.007 |
| 1963 | 652.909 |
| 1962 | 634.186 |
| 1961 | 667.52 |
| 1960 | 657.219 |