| 年份 | 日本 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 7.42792 |
| 2020 | 7.29285 |
| 2019 | 8.14638 |
| 2018 | 8.12938 |
| 2017 | 8.1532 |
| 2016 | 8.19609 |
| 2015 | 8.37435 |
| 2014 | 8.53448 |
| 2013 | 8.46381 |
| 2012 | 8.50434 |
| 2011 | 8.53705 |
| 2010 | 8.7845 |
| 2009 | 8.93051 |
| 2008 | 9.12776 |
| 2007 | 9.41275 |
| 2006 | 9.39399 |
| 2005 | 9.32717 |
| 2004 | - |
| 2003 | - |
| 2002 | - |
| 2001 | - |
| 2000 | - |
| 1999 | - |
| 1998 | 9.95075 |
| 1997 | - |
| 1996 | - |
| 1995 | 10.3657 |
| 1994 | 11.1064 |
| 1993 | 11.115 |
| 1992 | - |
| 1991 | - |
| 1990 | - |
| 1989 | 17.6433 |
| 1988 | 17.7967 |
| 1987 | 18.0542 |
| 1986 | - |
| 1985 | - |
| 1984 | - |
| 1983 | 14.8861 |
| 1982 | 15.6771 |
| 1981 | 16.1255 |
| 1980 | - |
| 1979 | - |
| 1978 | - |
| 1977 | - |
| 1976 | - |
| 1975 | - |
| 1974 | - |
| 1973 | - |
| 1972 | - |
| 1971 | - |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |