| 年份 | 日本 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 84.4456 |
| 2020 | 84.56 |
| 2019 | 84.3563 |
| 2018 | 84.211 |
| 2017 | 84.0998 |
| 2016 | 83.9849 |
| 2015 | 83.7939 |
| 2014 | 83.5878 |
| 2013 | 83.332 |
| 2012 | 83.0961 |
| 2011 | 82.5912 |
| 2010 | 82.8427 |
| 2009 | 82.9315 |
| 2008 | 82.5876 |
| 2007 | 82.5071 |
| 2006 | 82.322 |
| 2005 | 81.9551 |
| 2004 | 82.0302 |
| 2003 | 81.76 |
| 2002 | 81.6907 |
| 2001 | 81.4163 |
| 2000 | 81.0761 |
| 1999 | 80.461 |
| 1998 | 80.5015 |
| 1997 | 80.4241 |
| 1996 | 80.2198 |
| 1995 | 79.5361 |
| 1994 | 79.6968 |
| 1993 | 79.3037 |
| 1992 | 79.0802 |
| 1991 | 79.0368 |
| 1990 | 78.8371 |
| 1989 | 78.7685 |
| 1988 | 78.3498 |
| 1987 | 78.4295 |
| 1986 | 78.0105 |
| 1985 | 77.5605 |
| 1984 | 77.2912 |
| 1983 | 76.922 |
| 1982 | 76.8737 |
| 1981 | 76.3949 |
| 1980 | 75.989 |
| 1979 | 76.1088 |
| 1978 | 75.5846 |
| 1977 | 75.2559 |
| 1976 | 74.6866 |
| 1975 | 74.2471 |
| 1974 | 73.6722 |
| 1973 | 73.2951 |
| 1972 | 73.1537 |
| 1971 | 72.809 |
| 1970 | 71.9198 |
| 1969 | 71.858 |
| 1968 | 71.611 |
| 1967 | 71.4661 |
| 1966 | 70.9159 |
| 1965 | 70.2668 |
| 1964 | 70.2066 |
| 1963 | 69.7124 |
| 1962 | 68.6349 |
| 1961 | 68.352 |
| 1960 | 67.6956 |