| 年份 | 瑙魯 |
|---|---|
| 2023 | - |
| 2022 | 3.51204 |
| 2021 | 3.59248 |
| 2020 | 3.631 |
| 2019 | 3.61017 |
| 2018 | 3.58054 |
| 2017 | 3.51083 |
| 2016 | 3.42078 |
| 2015 | 3.3824 |
| 2014 | 3.36948 |
| 2013 | 3.40847 |
| 2012 | 3.56272 |
| 2011 | 3.71606 |
| 2010 | 3.76401 |
| 2009 | 3.76653 |
| 2008 | 3.71114 |
| 2007 | 3.61124 |
| 2006 | 3.50877 |
| 2005 | 3.48277 |
| 2004 | 3.42363 |
| 2003 | 3.24669 |
| 2002 | 3.14607 |
| 2001 | 3.05636 |
| 2000 | 2.92332 |
| 1999 | 2.82085 |
| 1998 | 2.76765 |
| 1997 | 2.72472 |
| 1996 | 2.73973 |
| 1995 | 2.81624 |
| 1994 | 2.97929 |
| 1993 | 3.18562 |
| 1992 | 3.38609 |
| 1991 | 3.74342 |
| 1990 | 4.16418 |
| 1989 | 4.51403 |
| 1988 | 4.80929 |
| 1987 | 5.10441 |
| 1986 | 5.4985 |
| 1985 | 6.03402 |
| 1984 | 6.6302 |
| 1983 | 7.33102 |
| 1982 | 7.60474 |
| 1981 | 7.34059 |
| 1980 | 6.98178 |
| 1979 | 6.47005 |
| 1978 | 5.97409 |
| 1977 | 5.63592 |
| 1976 | 5.42063 |
| 1975 | 5.2669 |
| 1974 | 5.21708 |
| 1973 | 5.08433 |
| 1972 | 4.89931 |
| 1971 | 4.66965 |
| 1970 | 4.30135 |
| 1969 | 3.98309 |
| 1968 | 3.87903 |
| 1967 | 3.77688 |
| 1966 | 3.44218 |
| 1965 | 3.22039 |
| 1964 | 3.24846 |
| 1963 | 3.29318 |
| 1962 | 3.29114 |
| 1961 | 3.31148 |
| 1960 | 3.27447 |