| 年份 | 伯利兹 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 10.2 |
| 2020 | 10.6 |
| 2019 | 11.1 |
| 2018 | 11.8 |
| 2017 | 12.4 |
| 2016 | 13.1 |
| 2015 | 13.9 |
| 2014 | 14.6 |
| 2013 | 15.3 |
| 2012 | 16 |
| 2011 | 16.7 |
| 2010 | 17.2 |
| 2009 | 17.6 |
| 2008 | 18 |
| 2007 | 18.3 |
| 2006 | 18.6 |
| 2005 | 18.9 |
| 2004 | 19.2 |
| 2003 | 19.5 |
| 2002 | 20 |
| 2001 | 20.5 |
| 2000 | 21.2 |
| 1999 | 21.9 |
| 1998 | 22.7 |
| 1997 | 23.7 |
| 1996 | 24.7 |
| 1995 | 25.9 |
| 1994 | 27.2 |
| 1993 | 28.8 |
| 1992 | 30.5 |
| 1991 | 32.5 |
| 1990 | 34.6 |
| 1989 | 36.9 |
| 1988 | 39.4 |
| 1987 | 42 |
| 1986 | 44.6 |
| 1985 | 47.2 |
| 1984 | 49.6 |
| 1983 | 52.1 |
| 1982 | 54.6 |
| 1981 | 57.1 |
| 1980 | 59.6 |
| 1979 | 62.1 |
| 1978 | 64.8 |
| 1977 | 67.6 |
| 1976 | 70.5 |
| 1975 | 73.6 |
| 1974 | 76.8 |
| 1973 | 80.3 |
| 1972 | 83.9 |
| 1971 | 87.7 |
| 1970 | 91.4 |
| 1969 | 95.7 |
| 1968 | 99.9 |
| 1967 | 104.3 |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |