| 年份 | 日本 |
|---|---|
| 2023 | - |
| 2022 | 1.21617 |
| 2021 | 3.48241 |
| 2020 | 2.37055 |
| 2019 | 1.89892 |
| 2018 | 1.01076 |
| 2017 | 0.0855916 |
| 2016 | 1.61412 |
| 2015 | 1.92583 |
| 2014 | 0.962087 |
| 2013 | 1.47741 |
| 2012 | 1.68316 |
| 2011 | 2.22462 |
| 2010 | 1.87193 |
| 2009 | 1.96958 |
| 2008 | -0.0880553 |
| 2007 | 1.48791 |
| 2006 | 0.224077 |
| 2005 | 0.793558 |
| 2004 | 1.08892 |
| 2003 | 1.86635 |
| 2002 | 1.90712 |
| 2001 | 2.38322 |
| 2000 | 3.87561 |
| 1999 | 3.53309 |
| 1998 | 1.30199 |
| 1997 | 1.57515 |
| 1996 | 2.34211 |
| 1995 | 3.8249 |
| 1994 | 3.7813 |
| 1993 | 3.43835 |
| 1992 | 2.69869 |
| 1991 | 4.01469 |
| 1990 | 3.49343 |
| 1989 | 2.5022 |
| 1988 | 3.8223 |
| 1987 | 3.62675 |
| 1986 | 3.16476 |
| 1985 | 1.25553 |
| 1984 | 3.00206 |
| 1983 | 4.60146 |
| 1982 | 4.19643 |
| 1981 | 5.42439 |
| 1980 | 3.11185 |
| 1979 | 4.20236 |
| 1978 | 5.20915 |
| 1977 | 4.1744 |
| 1976 | 4.22907 |
| 1975 | 12.5916 |
| 1974 | -0.421276 |
| 1973 | 5.40538 |
| 1972 | 4.96531 |
| 1971 | 8.04026 |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |