| 年份 | 毛里塔尼亚 |
|---|---|
| 2023 | - |
| 2022 | 13.5427 |
| 2021 | 13.4578 |
| 2020 | 13.3374 |
| 2019 | 13.1987 |
| 2018 | 13.0433 |
| 2017 | 12.8719 |
| 2016 | 12.6898 |
| 2015 | 12.5066 |
| 2014 | 12.3337 |
| 2013 | 12.1823 |
| 2012 | 12.1466 |
| 2011 | 12.2687 |
| 2010 | 12.502 |
| 2009 | 12.8254 |
| 2008 | 13.2169 |
| 2007 | 13.4419 |
| 2006 | 13.42 |
| 2005 | 13.3036 |
| 2004 | 13.1307 |
| 2003 | 12.9361 |
| 2002 | 12.7698 |
| 2001 | 12.663 |
| 2000 | 12.6271 |
| 1999 | 12.6563 |
| 1998 | 12.6883 |
| 1997 | 12.7237 |
| 1996 | 12.7222 |
| 1995 | 12.6849 |
| 1994 | 12.7025 |
| 1993 | 12.7784 |
| 1992 | 12.9141 |
| 1991 | 13.0074 |
| 1990 | 13 |
| 1989 | 12.9608 |
| 1988 | 12.917 |
| 1987 | 12.9053 |
| 1986 | 12.8997 |
| 1985 | 12.9073 |
| 1984 | 12.928 |
| 1983 | 12.9559 |
| 1982 | 12.986 |
| 1981 | 13.0098 |
| 1980 | 13.01 |
| 1979 | 12.9738 |
| 1978 | 12.9075 |
| 1977 | 12.8158 |
| 1976 | 12.7089 |
| 1975 | 12.5978 |
| 1974 | 12.4837 |
| 1973 | 12.3704 |
| 1972 | 12.2581 |
| 1971 | 12.1466 |
| 1970 | 12.0414 |
| 1969 | 11.9488 |
| 1968 | 11.8653 |
| 1967 | 11.794 |
| 1966 | 11.7394 |
| 1965 | 11.6962 |
| 1964 | 11.6475 |
| 1963 | 11.6441 |
| 1962 | 11.7201 |
| 1961 | 11.8316 |
| 1960 | 11.9602 |