| 年份 | 瑙魯 |
|---|---|
| 2023 | - |
| 2022 | 0.417135 |
| 2021 | 0.317022 |
| 2020 | 0.214894 |
| 2019 | 0.159543 |
| 2018 | 0.18805 |
| 2017 | 0.244349 |
| 2016 | 0.276563 |
| 2015 | 0.310247 |
| 2014 | 0.317164 |
| 2013 | 0.257806 |
| 2012 | 0.195676 |
| 2011 | 0.158872 |
| 2010 | 0.119522 |
| 2009 | 0.13954 |
| 2008 | 0.21932 |
| 2007 | 0.268978 |
| 2006 | 0.298686 |
| 2005 | 0.348606 |
| 2004 | 0.34871 |
| 2003 | 0.32898 |
| 2002 | 0.319266 |
| 2001 | 0.309165 |
| 2000 | 0.318535 |
| 1999 | 0.308151 |
| 1998 | 0.288328 |
| 1997 | 0.24888 |
| 1996 | 0.189375 |
| 1995 | 0.14979 |
| 1994 | 0.150376 |
| 1993 | 0.171112 |
| 1992 | 0.213588 |
| 1991 | 0.324743 |
| 1990 | 0.382221 |
| 1989 | 0.319088 |
| 1988 | 0.28585 |
| 1987 | 0.3111 |
| 1986 | 0.337443 |
| 1985 | 0.365062 |
| 1984 | 0.393812 |
| 1983 | 0.400475 |
| 1982 | 0.335366 |
| 1981 | 0.228345 |
| 1980 | 0.21575 |
| 1979 | 0.202366 |
| 1978 | 0.172929 |
| 1977 | 0.224359 |
| 1976 | 0.311987 |
| 1975 | 0.385453 |
| 1974 | 0.461144 |
| 1973 | 0.522648 |
| 1972 | 0.533523 |
| 1971 | 0.563227 |
| 1970 | 0.595349 |
| 1969 | 0.575926 |
| 1968 | 0.6035 |
| 1967 | 0.668198 |
| 1966 | 0.66084 |
| 1965 | 0.671742 |
| 1964 | 0.70133 |
| 1963 | 0.755799 |
| 1962 | 0.837755 |
| 1961 | 0.881057 |
| 1960 | 0.960672 |