| 年份 | 日本 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 87.57 |
| 2020 | 87.71 |
| 2019 | 87.45 |
| 2018 | 87.32 |
| 2017 | 87.26 |
| 2016 | 87.14 |
| 2015 | 86.99 |
| 2014 | 86.83 |
| 2013 | 86.61 |
| 2012 | 86.41 |
| 2011 | 85.9 |
| 2010 | 86.3 |
| 2009 | 86.44 |
| 2008 | 86.05 |
| 2007 | 85.99 |
| 2006 | 85.81 |
| 2005 | 85.52 |
| 2004 | 85.59 |
| 2003 | 85.33 |
| 2002 | 85.23 |
| 2001 | 84.93 |
| 2000 | 84.6 |
| 1999 | 83.99 |
| 1998 | 84.01 |
| 1997 | 83.82 |
| 1996 | 83.59 |
| 1995 | 82.85 |
| 1994 | 82.98 |
| 1993 | 82.51 |
| 1992 | 82.22 |
| 1991 | 82.11 |
| 1990 | 81.9 |
| 1989 | 81.77 |
| 1988 | 81.3 |
| 1987 | 81.39 |
| 1986 | 80.93 |
| 1985 | 80.48 |
| 1984 | 80.18 |
| 1983 | 79.78 |
| 1982 | 79.66 |
| 1981 | 79.13 |
| 1980 | 78.76 |
| 1979 | 78.89 |
| 1978 | 78.33 |
| 1977 | 77.95 |
| 1976 | 77.35 |
| 1975 | 76.89 |
| 1974 | 76.31 |
| 1973 | 76.02 |
| 1972 | 75.94 |
| 1971 | 75.58 |
| 1970 | 74.66 |
| 1969 | 74.67 |
| 1968 | 74.3 |
| 1967 | 74.15 |
| 1966 | 73.61 |
| 1965 | 72.92 |
| 1964 | 72.87 |
| 1963 | 72.34 |
| 1962 | 71.16 |
| 1961 | 70.79 |
| 1960 | 70.19 |