| 年份 | 瑙魯 |
|---|---|
| 2023 | - |
| 2022 | 6.01636 |
| 2021 | 5.64136 |
| 2020 | 5.38061 |
| 2019 | 5.11378 |
| 2018 | 4.88931 |
| 2017 | 4.87826 |
| 2016 | 4.8354 |
| 2015 | 4.71758 |
| 2014 | 4.68284 |
| 2013 | 4.6787 |
| 2012 | 4.62773 |
| 2011 | 4.78602 |
| 2010 | 5.13944 |
| 2009 | 5.47194 |
| 2008 | 5.81198 |
| 2007 | 6.11676 |
| 2006 | 6.37196 |
| 2005 | 6.53386 |
| 2004 | 6.61552 |
| 2003 | 6.66932 |
| 2002 | 6.66467 |
| 2001 | 6.53236 |
| 2000 | 6.42047 |
| 1999 | 6.40159 |
| 1998 | 6.39292 |
| 1997 | 6.35142 |
| 1996 | 6.28925 |
| 1995 | 6.19133 |
| 1994 | 6.06516 |
| 1993 | 5.9084 |
| 1992 | 5.67535 |
| 1991 | 5.34255 |
| 1990 | 4.89243 |
| 1989 | 4.42165 |
| 1988 | 4.04955 |
| 1987 | 3.79542 |
| 1986 | 3.71188 |
| 1985 | 3.88048 |
| 1984 | 4.33193 |
| 1983 | 4.98368 |
| 1982 | 5.51829 |
| 1981 | 5.84564 |
| 1980 | 6.08722 |
| 1979 | 6.11768 |
| 1978 | 5.9739 |
| 1977 | 5.96154 |
| 1976 | 6.00985 |
| 1975 | 5.94939 |
| 1974 | 5.9778 |
| 1973 | 6.0453 |
| 1972 | 5.97546 |
| 1971 | 5.79578 |
| 1970 | 5.6 |
| 1969 | 5.33692 |
| 1968 | 5.10964 |
| 1967 | 4.86532 |
| 1966 | 4.58324 |
| 1965 | 4.54545 |
| 1964 | 4.76421 |
| 1963 | 4.89966 |
| 1962 | 4.80313 |
| 1961 | 4.52276 |
| 1960 | 4.32303 |