| 年份 | 毛里塔尼亚 |
|---|---|
| 2023 | - |
| 2022 | 15.4386 |
| 2021 | 15.5588 |
| 2020 | 15.685 |
| 2019 | 15.8216 |
| 2018 | 15.9567 |
| 2017 | 16.2533 |
| 2016 | 16.7223 |
| 2015 | 17.1786 |
| 2014 | 17.608 |
| 2013 | 18.0087 |
| 2012 | 18.0492 |
| 2011 | 17.7015 |
| 2010 | 17.3217 |
| 2009 | 16.9545 |
| 2008 | 16.6214 |
| 2007 | 16.4495 |
| 2006 | 16.4376 |
| 2005 | 16.456 |
| 2004 | 16.5027 |
| 2003 | 16.5712 |
| 2002 | 16.6511 |
| 2001 | 16.7358 |
| 2000 | 16.9211 |
| 1999 | 17.2019 |
| 1998 | 17.467 |
| 1997 | 17.6542 |
| 1996 | 17.6745 |
| 1995 | 17.5534 |
| 1994 | 17.4571 |
| 1993 | 17.4168 |
| 1992 | 17.4945 |
| 1991 | 17.6311 |
| 1990 | 17.6987 |
| 1989 | 17.7433 |
| 1988 | 17.8042 |
| 1987 | 17.9322 |
| 1986 | 18.0635 |
| 1985 | 18.1751 |
| 1984 | 18.2521 |
| 1983 | 18.3157 |
| 1982 | 18.3745 |
| 1981 | 18.4159 |
| 1980 | 18.4494 |
| 1979 | 18.4916 |
| 1978 | 18.5284 |
| 1977 | 18.5558 |
| 1976 | 18.5953 |
| 1975 | 18.6541 |
| 1974 | 18.7243 |
| 1973 | 18.7979 |
| 1972 | 18.8699 |
| 1971 | 18.9313 |
| 1970 | 18.9643 |
| 1969 | 18.958 |
| 1968 | 18.9189 |
| 1967 | 18.8485 |
| 1966 | 18.754 |
| 1965 | 18.6472 |
| 1964 | 18.5322 |
| 1963 | 18.4134 |
| 1962 | 18.2895 |
| 1961 | 18.1592 |
| 1960 | 18.0284 |