| 年份 | 日本 |
|---|---|
| 2023 | - |
| 2022 | 71.0785 |
| 2021 | 71.1188 |
| 2020 | 70.9369 |
| 2019 | 70.5084 |
| 2018 | 69.9012 |
| 2017 | 69.1047 |
| 2016 | 68.0418 |
| 2015 | 66.6713 |
| 2014 | 64.8014 |
| 2013 | 62.5585 |
| 2012 | 60.3926 |
| 2011 | 58.946 |
| 2010 | 58.2302 |
| 2009 | 57.3912 |
| 2008 | 56.1802 |
| 2007 | 54.8099 |
| 2006 | 53.3909 |
| 2005 | 52.0895 |
| 2004 | 51.0852 |
| 2003 | 50.2733 |
| 2002 | 49.4057 |
| 2001 | 48.414 |
| 2000 | 47.4434 |
| 1999 | 46.6365 |
| 1998 | 45.9204 |
| 1997 | 45.2063 |
| 1996 | 44.5265 |
| 1995 | 43.9968 |
| 1994 | 43.6227 |
| 1993 | 43.3758 |
| 1992 | 43.2661 |
| 1991 | 43.2502 |
| 1990 | 43.4175 |
| 1989 | 43.8407 |
| 1988 | 44.4787 |
| 1987 | 45.1663 |
| 1986 | 45.811 |
| 1985 | 46.357 |
| 1984 | 46.8446 |
| 1983 | 47.3668 |
| 1982 | 47.9031 |
| 1981 | 47.9849 |
| 1980 | 47.9188 |
| 1979 | 48.0623 |
| 1978 | 48.0093 |
| 1977 | 47.8007 |
| 1976 | 47.4624 |
| 1975 | 47.0241 |
| 1974 | 46.4647 |
| 1973 | 45.8246 |
| 1972 | 45.1343 |
| 1971 | 44.5965 |
| 1970 | 44.3626 |
| 1969 | 44.2896 |
| 1968 | 44.3163 |
| 1967 | 44.4481 |
| 1966 | 45.1119 |
| 1965 | 46.1967 |
| 1964 | 47.7099 |
| 1963 | 49.8643 |
| 1962 | 52.1888 |
| 1961 | 53.8194 |
| 1960 | 54.5441 |