| 年份 | 瑙魯 |
|---|---|
| 2023 | - |
| 2022 | 2.78943 |
| 2021 | 2.602 |
| 2020 | 2.46588 |
| 2019 | 2.34742 |
| 2018 | 2.30472 |
| 2017 | 2.41895 |
| 2016 | 2.5463 |
| 2015 | 2.59376 |
| 2014 | 2.62568 |
| 2013 | 2.65714 |
| 2012 | 2.65329 |
| 2011 | 2.61077 |
| 2010 | 2.59554 |
| 2009 | 2.55894 |
| 2008 | 2.40077 |
| 2007 | 2.24869 |
| 2006 | 2.11475 |
| 2005 | 1.96319 |
| 2004 | 1.8529 |
| 2003 | 1.84855 |
| 2002 | 1.8633 |
| 2001 | 1.90672 |
| 2000 | 1.98935 |
| 1999 | 2.12031 |
| 1998 | 2.29079 |
| 1997 | 2.40637 |
| 1996 | 2.4864 |
| 1995 | 2.51483 |
| 1994 | 2.48747 |
| 1993 | 2.39635 |
| 1992 | 2.35012 |
| 1991 | 2.56385 |
| 1990 | 3.01853 |
| 1989 | 3.52786 |
| 1988 | 4.06302 |
| 1987 | 4.65092 |
| 1986 | 5.16688 |
| 1985 | 5.44903 |
| 1984 | 5.55799 |
| 1983 | 5.64959 |
| 1982 | 5.36202 |
| 1981 | 4.88995 |
| 1980 | 4.6697 |
| 1979 | 4.52675 |
| 1978 | 4.31143 |
| 1977 | 4.11989 |
| 1976 | 3.93054 |
| 1975 | 3.61803 |
| 1974 | 3.27417 |
| 1973 | 2.99721 |
| 1972 | 2.78733 |
| 1971 | 2.53353 |
| 1970 | 2.26387 |
| 1969 | 2.02357 |
| 1968 | 1.89349 |
| 1967 | 1.78763 |
| 1966 | 1.70068 |
| 1965 | 1.83422 |
| 1964 | 2.03395 |
| 1963 | 2.10398 |
| 1962 | 2.13608 |
| 1961 | 2.09836 |
| 1960 | 1.92011 |