| 年份 | 瑙魯 |
|---|---|
| 2023 | - |
| 2022 | 0.16317 |
| 2021 | 0.149359 |
| 2020 | 0.127683 |
| 2019 | 0.105229 |
| 2018 | 0.0987736 |
| 2017 | 0.125987 |
| 2016 | 0.180041 |
| 2015 | 0.22783 |
| 2014 | 0.268841 |
| 2013 | 0.274876 |
| 2012 | 0.243765 |
| 2011 | 0.200095 |
| 2010 | 0.172397 |
| 2009 | 0.153345 |
| 2008 | 0.133907 |
| 2007 | 0.152454 |
| 2006 | 0.189663 |
| 2005 | 0.217084 |
| 2004 | 0.244545 |
| 2003 | 0.300272 |
| 2002 | 0.318352 |
| 2001 | 0.289747 |
| 2000 | 0.280191 |
| 1999 | 0.270876 |
| 1998 | 0.224404 |
| 1997 | 0.196629 |
| 1996 | 0.197035 |
| 1995 | 0.178958 |
| 1994 | 0.160787 |
| 1993 | 0.171168 |
| 1992 | 0.239808 |
| 1991 | 0.341197 |
| 1990 | 0.408448 |
| 1989 | 0.427003 |
| 1988 | 0.414594 |
| 1987 | 0.379667 |
| 1986 | 0.363714 |
| 1985 | 0.357491 |
| 1984 | 0.36105 |
| 1983 | 0.358704 |
| 1982 | 0.318761 |
| 1981 | 0.294985 |
| 1980 | 0.261959 |
| 1979 | 0.228624 |
| 1978 | 0.229331 |
| 1977 | 0.266173 |
| 1976 | 0.305057 |
| 1975 | 0.308422 |
| 1974 | 0.299832 |
| 1973 | 0.291227 |
| 1972 | 0.294695 |
| 1971 | 0.310482 |
| 1970 | 0.314426 |
| 1969 | 0.307377 |
| 1968 | 0.328731 |
| 1967 | 0.349462 |
| 1966 | 0.340136 |
| 1965 | 0.350042 |
| 1964 | 0.365818 |
| 1963 | 0.381156 |
| 1962 | 0.443038 |
| 1961 | 0.491803 |
| 1960 | 0.531459 |