| 年份 | 瑙魯 |
|---|---|
| 2023 | - |
| 2022 | 0.621601 |
| 2021 | 0.558132 |
| 2020 | 0.462852 |
| 2019 | 0.388538 |
| 2018 | 0.329245 |
| 2017 | 0.277171 |
| 2016 | 0.248628 |
| 2015 | 0.219068 |
| 2014 | 0.188189 |
| 2013 | 0.201576 |
| 2012 | 0.253141 |
| 2011 | 0.371606 |
| 2010 | 0.498037 |
| 2009 | 0.565459 |
| 2008 | 0.535629 |
| 2007 | 0.428776 |
| 2006 | 0.331911 |
| 2005 | 0.273714 |
| 2004 | 0.244545 |
| 2003 | 0.225204 |
| 2002 | 0.299625 |
| 2001 | 0.457987 |
| 2000 | 0.57906 |
| 1999 | 0.625817 |
| 1998 | 0.626461 |
| 1997 | 0.580524 |
| 1996 | 0.516044 |
| 1995 | 0.480362 |
| 1994 | 0.453987 |
| 1993 | 0.399391 |
| 1992 | 0.402878 |
| 1991 | 0.526418 |
| 1990 | 0.677426 |
| 1989 | 0.793005 |
| 1988 | 0.881012 |
| 1987 | 0.938621 |
| 1986 | 0.941378 |
| 1985 | 0.888311 |
| 1984 | 0.809628 |
| 1983 | 0.739827 |
| 1982 | 0.671676 |
| 1981 | 0.624007 |
| 1980 | 0.615034 |
| 1979 | 0.628715 |
| 1978 | 0.584795 |
| 1977 | 0.520773 |
| 1976 | 0.481051 |
| 1975 | 0.403321 |
| 1974 | 0.395778 |
| 1973 | 0.448975 |
| 1972 | 0.491159 |
| 1971 | 0.52161 |
| 1970 | 0.528235 |
| 1969 | 0.53791 |
| 1968 | 0.552268 |
| 1967 | 0.551075 |
| 1966 | 0.544218 |
| 1965 | 0.574069 |
| 1964 | 0.614574 |
| 1963 | 0.609849 |
| 1962 | 0.632911 |
| 1961 | 0.688525 |
| 1960 | 0.737185 |