| 年份 | 日本 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 3.31738 |
| 2020 | 3.41698 |
| 2019 | 3.15534 |
| 2018 | 3.07782 |
| 2017 | 3.13058 |
| 2016 | 3.14643 |
| 2015 | 3.22903 |
| 2014 | 3.55159 |
| 2013 | 3.62497 |
| 2012 | 3.64742 |
| 2011 | 3.60528 |
| 2010 | 3.59952 |
| 2009 | 3.55598 |
| 2008 | 3.27242 |
| 2007 | 3.27934 |
| 2006 | 3.27668 |
| 2005 | 3.31494 |
| 2004 | 3.42611 |
| 2003 | 3.46663 |
| 2002 | 3.40899 |
| 2001 | 3.40082 |
| 2000 | 3.46012 |
| 1999 | 3.37813 |
| 1998 | 3.29797 |
| 1997 | - |
| 1996 | - |
| 1995 | 3.40211 |
| 1994 | 3.63567 |
| 1993 | 3.42904 |
| 1992 | - |
| 1991 | - |
| 1990 | - |
| 1989 | 5.36715 |
| 1988 | 5.55605 |
| 1987 | 5.59652 |
| 1986 | - |
| 1985 | - |
| 1984 | - |
| 1983 | 4.82427 |
| 1982 | 5.04606 |
| 1981 | 5.0644 |
| 1980 | 5.06872 |
| 1979 | 5.05745 |
| 1978 | 4.89441 |
| 1977 | 4.84027 |
| 1976 | 4.85082 |
| 1975 | 4.66899 |
| 1974 | 4.04003 |
| 1973 | 4.04297 |
| 1972 | 4.01131 |
| 1971 | 3.6563 |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |