| 年份 | 瑙魯 |
|---|---|
| 2023 | - |
| 2022 | 0.184502 |
| 2021 | 0.19509 |
| 2020 | 0.198363 |
| 2019 | 0.184734 |
| 2018 | 0.170955 |
| 2017 | 0.174535 |
| 2016 | 0.151664 |
| 2015 | 0.127749 |
| 2014 | 0.149254 |
| 2013 | 0.200516 |
| 2012 | 0.234811 |
| 2011 | 0.248238 |
| 2010 | 0.268924 |
| 2009 | 0.269112 |
| 2008 | 0.249227 |
| 2007 | 0.239091 |
| 2006 | 0.228992 |
| 2005 | 0.209163 |
| 2004 | 0.199263 |
| 2003 | 0.199382 |
| 2002 | 0.189564 |
| 2001 | 0.179515 |
| 2000 | 0.169222 |
| 1999 | 0.159046 |
| 1998 | 0.16902 |
| 1997 | 0.179194 |
| 1996 | 0.219276 |
| 1995 | 0.24965 |
| 1994 | 0.230576 |
| 1993 | 0.231505 |
| 1992 | 0.223759 |
| 1991 | 0.188561 |
| 1990 | 0.196571 |
| 1989 | 0.216524 |
| 1988 | 0.226298 |
| 1987 | 0.223992 |
| 1986 | 0.194679 |
| 1985 | 0.189292 |
| 1984 | 0.182841 |
| 1983 | 0.192821 |
| 1982 | 0.228659 |
| 1981 | 0.274014 |
| 1980 | 0.323625 |
| 1979 | 0.358032 |
| 1978 | 0.377299 |
| 1977 | 0.400641 |
| 1976 | 0.410509 |
| 1975 | 0.402212 |
| 1974 | 0.409906 |
| 1973 | 0.400697 |
| 1972 | 0.39125 |
| 1971 | 0.417878 |
| 1970 | 0.465116 |
| 1969 | 0.499136 |
| 1968 | 0.502917 |
| 1967 | 0.542911 |
| 1966 | 0.618205 |
| 1965 | 0.694133 |
| 1964 | 0.749698 |
| 1963 | 0.807923 |
| 1962 | 1.03323 |
| 1961 | 1.20411 |
| 1960 | 1.32092 |