| 年份 | 瑙魯 |
|---|---|
| 2023 | - |
| 2022 | 7.03186 |
| 2021 | 6.98844 |
| 2020 | 6.8151 |
| 2019 | 6.58896 |
| 2018 | 6.55198 |
| 2017 | 6.61851 |
| 2016 | 6.62723 |
| 2015 | 6.52822 |
| 2014 | 6.36258 |
| 2013 | 6.26718 |
| 2012 | 6.13163 |
| 2011 | 5.97427 |
| 2010 | 5.93813 |
| 2009 | 6.0092 |
| 2008 | 6.12147 |
| 2007 | 6.31729 |
| 2006 | 6.60977 |
| 2005 | 6.8806 |
| 2004 | 7.1012 |
| 2003 | 7.29098 |
| 2002 | 7.29401 |
| 2001 | 7.11281 |
| 2000 | 6.93005 |
| 1999 | 6.73454 |
| 1998 | 6.56381 |
| 1997 | 6.50749 |
| 1996 | 6.51154 |
| 1995 | 6.53669 |
| 1994 | 6.67739 |
| 1993 | 6.86573 |
| 1992 | 6.96403 |
| 1991 | 6.90193 |
| 1990 | 6.6846 |
| 1989 | 6.28304 |
| 1988 | 5.6903 |
| 1987 | 5.09386 |
| 1986 | 4.61061 |
| 1985 | 4.41989 |
| 1984 | 4.60613 |
| 1983 | 5.29089 |
| 1982 | 6.29554 |
| 1981 | 7.18176 |
| 1980 | 7.90433 |
| 1979 | 8.53909 |
| 1978 | 9.02419 |
| 1977 | 9.28133 |
| 1976 | 9.44503 |
| 1975 | 9.5255 |
| 1974 | 9.52267 |
| 1973 | 9.4406 |
| 1972 | 9.30747 |
| 1971 | 9.25236 |
| 1970 | 9.36989 |
| 1969 | 9.52869 |
| 1968 | 9.76989 |
| 1967 | 10.0538 |
| 1966 | 10.1088 |
| 1965 | 9.92719 |
| 1964 | 9.71613 |
| 1963 | 9.63562 |
| 1962 | 9.55696 |
| 1961 | 9.36066 |
| 1960 | 9.0348 |