| 年份 | 基里巴斯 |
|---|---|
| 2023 | - |
| 2022 | 3.7703 |
| 2021 | 3.67647 |
| 2020 | 3.56714 |
| 2019 | 3.45179 |
| 2018 | 3.33413 |
| 2017 | 3.20373 |
| 2016 | 3.07137 |
| 2015 | 2.96041 |
| 2014 | 2.88926 |
| 2013 | 2.85823 |
| 2012 | 2.86062 |
| 2011 | 2.87922 |
| 2010 | 2.88185 |
| 2009 | 2.86139 |
| 2008 | 2.81642 |
| 2007 | 2.74548 |
| 2006 | 2.65839 |
| 2005 | 2.58209 |
| 2004 | 2.51556 |
| 2003 | 2.46322 |
| 2002 | 2.44937 |
| 2001 | 2.48382 |
| 2000 | 2.53735 |
| 1999 | 2.57237 |
| 1998 | 2.59202 |
| 1997 | 2.58795 |
| 1996 | 2.56554 |
| 1995 | 2.51604 |
| 1994 | 2.4492 |
| 1993 | 2.3916 |
| 1992 | 2.36311 |
| 1991 | 2.37386 |
| 1990 | 2.4097 |
| 1989 | 2.45792 |
| 1988 | 2.51865 |
| 1987 | 2.58557 |
| 1986 | 2.64809 |
| 1985 | 2.7031 |
| 1984 | 2.74599 |
| 1983 | 2.76944 |
| 1982 | 2.76578 |
| 1981 | 2.73614 |
| 1980 | 2.68862 |
| 1979 | 2.62287 |
| 1978 | 2.62679 |
| 1977 | 2.72539 |
| 1976 | 2.7994 |
| 1975 | 2.80127 |
| 1974 | 2.75681 |
| 1973 | 2.74475 |
| 1972 | 2.78556 |
| 1971 | 2.83145 |
| 1970 | 2.85088 |
| 1969 | 2.82595 |
| 1968 | 2.81333 |
| 1967 | 2.8523 |
| 1966 | 2.91448 |
| 1965 | 2.95738 |
| 1964 | 2.97384 |
| 1963 | 2.99825 |
| 1962 | 3.03133 |
| 1961 | 3.07397 |
| 1960 | 3.12382 |