年份 | 日本 |
---|---|
2023 | - |
2022 | 7.91553 |
2021 | 8.03161 |
2020 | 8.03304 |
2019 | 7.92227 |
2018 | 7.73114 |
2017 | 7.56152 |
2016 | 7.27339 |
2015 | 6.9837 |
2014 | 6.86349 |
2013 | 6.72738 |
2012 | 6.52925 |
2011 | 6.47296 |
2010 | 6.45842 |
2009 | 6.32115 |
2008 | 6.2337 |
2007 | 6.17066 |
2006 | 6.14062 |
2005 | 6.17857 |
2004 | 6.24245 |
2003 | 6.3226 |
2002 | 6.49308 |
2001 | 6.75274 |
2000 | 7.07101 |
1999 | 7.56528 |
1998 | 8.19314 |
1997 | 8.74827 |
1996 | 8.9291 |
1995 | 8.65675 |
1994 | 8.20609 |
1993 | 7.73991 |
1992 | 7.33044 |
1991 | 7.24187 |
1990 | 7.45054 |
1989 | 7.48479 |
1988 | 7.30175 |
1987 | 7.12831 |
1986 | 6.99593 |
1985 | 6.91902 |
1984 | 6.95529 |
1983 | 7.04786 |
1982 | 7.08361 |
1981 | 7.04963 |
1980 | 6.99086 |
1979 | 6.94454 |
1978 | 6.89783 |
1977 | 6.83527 |
1976 | 6.76378 |
1975 | 6.66852 |
1974 | 6.51527 |
1973 | 6.28293 |
1972 | 5.97523 |
1971 | 5.61091 |
1970 | 5.26756 |
1969 | 4.9739 |
1968 | 4.74064 |
1967 | 4.61704 |
1966 | 4.58181 |
1965 | 4.57778 |
1964 | 4.62869 |
1963 | 4.73693 |
1962 | 4.83065 |
1961 | 4.88632 |
1960 | 4.91442 |