| 年份 | 瑙魯 |
|---|---|
| 2023 | - |
| 2022 | 13.6131 |
| 2021 | 13.8983 |
| 2020 | 14.2367 |
| 2019 | 14.5945 |
| 2018 | 14.9477 |
| 2017 | 15.2444 |
| 2016 | 15.595 |
| 2015 | 16.0533 |
| 2014 | 16.4979 |
| 2013 | 16.7858 |
| 2012 | 16.8292 |
| 2011 | 16.2172 |
| 2010 | 15.0752 |
| 2009 | 14.1556 |
| 2008 | 13.582 |
| 2007 | 13.2349 |
| 2006 | 13.0773 |
| 2005 | 13.1005 |
| 2004 | 13.2524 |
| 2003 | 13.4935 |
| 2002 | 13.6985 |
| 2001 | 13.805 |
| 2000 | 13.9255 |
| 1999 | 14.0856 |
| 1998 | 14.2403 |
| 1997 | 14.4195 |
| 1996 | 14.6744 |
| 1995 | 15.0042 |
| 1994 | 15.3977 |
| 1993 | 15.833 |
| 1992 | 16.1918 |
| 1991 | 16.1922 |
| 1990 | 15.8199 |
| 1989 | 15.3009 |
| 1988 | 14.6144 |
| 1987 | 13.8684 |
| 1986 | 13.1151 |
| 1985 | 12.2739 |
| 1984 | 11.3676 |
| 1983 | 10.3576 |
| 1982 | 9.84745 |
| 1981 | 9.76855 |
| 1980 | 9.57859 |
| 1979 | 9.51075 |
| 1978 | 9.52872 |
| 1977 | 9.48964 |
| 1976 | 9.49196 |
| 1975 | 9.64413 |
| 1974 | 9.81051 |
| 1973 | 9.99879 |
| 1972 | 10.3021 |
| 1971 | 10.693 |
| 1970 | 11.3696 |
| 1969 | 12.1414 |
| 1968 | 12.5575 |
| 1967 | 12.9435 |
| 1966 | 13.4014 |
| 1965 | 13.2036 |
| 1964 | 12.3939 |
| 1963 | 11.7701 |
| 1962 | 11.4399 |
| 1961 | 11.3934 |
| 1960 | 11.5549 |