| 年份 | 图瓦卢 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 3.163 |
| 2020 | 3.188 |
| 2019 | 3.199 |
| 2018 | 3.209 |
| 2017 | 3.186 |
| 2016 | 3.195 |
| 2015 | 3.217 |
| 2014 | 3.275 |
| 2013 | 3.355 |
| 2012 | 3.467 |
| 2011 | 3.478 |
| 2010 | 3.49 |
| 2009 | 3.503 |
| 2008 | 3.549 |
| 2007 | 3.602 |
| 2006 | 3.717 |
| 2005 | 3.632 |
| 2004 | 3.62 |
| 2003 | 3.642 |
| 2002 | 3.694 |
| 2001 | 3.744 |
| 2000 | 3.807 |
| 1999 | 3.887 |
| 1998 | 3.956 |
| 1997 | 3.997 |
| 1996 | 4.019 |
| 1995 | 4.024 |
| 1994 | 4.034 |
| 1993 | 4.041 |
| 1992 | 4 |
| 1991 | 3.951 |
| 1990 | 3.91 |
| 1989 | 3.925 |
| 1988 | 3.956 |
| 1987 | 3.971 |
| 1986 | 3.964 |
| 1985 | 3.939 |
| 1984 | 3.901 |
| 1983 | 3.859 |
| 1982 | 3.813 |
| 1981 | 3.748 |
| 1980 | 3.677 |
| 1979 | 3.602 |
| 1978 | 3.547 |
| 1977 | 3.499 |
| 1976 | 3.475 |
| 1975 | 3.498 |
| 1974 | 3.558 |
| 1973 | 3.628 |
| 1972 | 3.717 |
| 1971 | 3.844 |
| 1970 | 3.938 |
| 1969 | 4.033 |
| 1968 | 4.125 |
| 1967 | 4.223 |
| 1966 | 4.349 |
| 1965 | 4.426 |
| 1964 | 4.509 |
| 1963 | 4.578 |
| 1962 | 4.647 |
| 1961 | 4.715 |
| 1960 | 4.778 |