| 年份 | 瑙魯 |
|---|---|
| 2023 | - |
| 2022 | 1.75602 |
| 2021 | 1.76087 |
| 2020 | 1.71574 |
| 2019 | 1.65938 |
| 2018 | 1.62976 |
| 2017 | 1.61263 |
| 2016 | 1.62037 |
| 2015 | 1.68244 |
| 2014 | 1.70266 |
| 2013 | 1.59428 |
| 2012 | 1.44384 |
| 2011 | 1.30538 |
| 2010 | 1.18763 |
| 2009 | 1.10217 |
| 2008 | 1.09039 |
| 2007 | 1.10529 |
| 2006 | 1.14746 |
| 2005 | 1.20812 |
| 2004 | 1.29797 |
| 2003 | 1.43568 |
| 2002 | 1.53558 |
| 2001 | 1.59828 |
| 2000 | 1.61577 |
| 1999 | 1.58789 |
| 1998 | 1.52408 |
| 1997 | 1.43258 |
| 1996 | 1.38863 |
| 1995 | 1.43167 |
| 1994 | 1.50383 |
| 1993 | 1.58806 |
| 1992 | 1.7458 |
| 1991 | 2.06668 |
| 1990 | 2.44073 |
| 1989 | 2.70435 |
| 1988 | 2.94362 |
| 1987 | 3.15334 |
| 1986 | 3.28412 |
| 1985 | 3.41241 |
| 1984 | 3.57768 |
| 1983 | 3.68793 |
| 1982 | 3.54053 |
| 1981 | 3.24484 |
| 1980 | 2.97267 |
| 1979 | 2.66347 |
| 1978 | 2.40798 |
| 1977 | 2.24511 |
| 1976 | 2.04153 |
| 1975 | 1.80308 |
| 1974 | 1.59511 |
| 1973 | 1.41973 |
| 1972 | 1.26473 |
| 1971 | 1.19225 |
| 1970 | 1.23255 |
| 1969 | 1.25512 |
| 1968 | 1.20973 |
| 1967 | 1.11559 |
| 1966 | 0.993197 |
| 1965 | 0.952114 |
| 1964 | 1.08282 |
| 1963 | 1.2197 |
| 1962 | 1.25 |
| 1961 | 1.2459 |
| 1960 | 1.30293 |