| 年份 | 瑙魯 |
|---|---|
| 2023 | - |
| 2022 | 13.1397 |
| 2021 | 13.4287 |
| 2020 | 13.7945 |
| 2019 | 14.2077 |
| 2018 | 14.5995 |
| 2017 | 14.9315 |
| 2016 | 15.1931 |
| 2015 | 15.3299 |
| 2014 | 15.3265 |
| 2013 | 15.2392 |
| 2012 | 15.0866 |
| 2011 | 14.7254 |
| 2010 | 14.2729 |
| 2009 | 13.8842 |
| 2008 | 13.5879 |
| 2007 | 13.3792 |
| 2006 | 13.2517 |
| 2005 | 13.2271 |
| 2004 | 13.2908 |
| 2003 | 13.4284 |
| 2002 | 13.5389 |
| 2001 | 13.6232 |
| 2000 | 13.7169 |
| 1999 | 13.7773 |
| 1998 | 13.8497 |
| 1997 | 13.9771 |
| 1996 | 14.1035 |
| 1995 | 14.26 |
| 1994 | 14.5263 |
| 1993 | 14.9371 |
| 1992 | 15.5106 |
| 1991 | 16.1324 |
| 1990 | 16.5556 |
| 1989 | 16.6382 |
| 1988 | 16.3411 |
| 1987 | 15.8412 |
| 1986 | 15.2498 |
| 1985 | 14.4808 |
| 1984 | 13.6428 |
| 1983 | 12.7559 |
| 1982 | 12.3018 |
| 1981 | 12.2698 |
| 1980 | 12.1436 |
| 1979 | 12.0797 |
| 1978 | 12.1836 |
| 1977 | 12.3077 |
| 1976 | 12.4138 |
| 1975 | 12.6864 |
| 1974 | 13.0487 |
| 1973 | 13.4321 |
| 1972 | 13.9605 |
| 1971 | 14.5894 |
| 1970 | 15.4977 |
| 1969 | 16.5867 |
| 1968 | 17.4613 |
| 1967 | 18.3546 |
| 1966 | 19.3562 |
| 1965 | 19.7492 |
| 1964 | 19.5647 |
| 1963 | 19.5465 |
| 1962 | 19.8548 |
| 1961 | 20.2056 |
| 1960 | 19.8439 |