| 年份 | 日本 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 0.0287031 |
| 2020 | 0.0235545 |
| 2019 | 0.0238516 |
| 2018 | 0.0248701 |
| 2017 | 0.0289614 |
| 2016 | 0.0171223 |
| 2015 | 0.0174103 |
| 2014 | 0.0157796 |
| 2013 | 0.0129496 |
| 2012 | 0.00945177 |
| 2011 | 0.00939955 |
| 2010 | 0.00972315 |
| 2009 | 0.0102616 |
| 2008 | 0.0122021 |
| 2007 | 0.0114937 |
| 2006 | 0.00906273 |
| 2005 | 0.00786507 |
| 2004 | 0.0057486 |
| 2003 | 0.00777474 |
| 2002 | 0.0076069 |
| 2001 | 0.0072141 |
| 2000 | 0.00764415 |
| 1999 | 0.00841189 |
| 1998 | 0.0111953 |
| 1997 | 0.0123626 |
| 1996 | 0.0140408 |
| 1995 | 0.0124984 |
| 1994 | 0.0137211 |
| 1993 | 0.0179261 |
| 1992 | 0.0184886 |
| 1991 | 0.0221402 |
| 1990 | 0.0270723 |
| 1989 | 0.0275874 |
| 1988 | 0.0244909 |
| 1987 | 0.0293411 |
| 1986 | 0.0375392 |
| 1985 | 0.0595656 |
| 1984 | 0.0505993 |
| 1983 | 0.0706072 |
| 1982 | 0.0952958 |
| 1981 | 0.0697349 |
| 1980 | 0.102244 |
| 1979 | 0.0938421 |
| 1978 | 0.0680832 |
| 1977 | 0.0759767 |
| 1976 | 0.10987 |
| 1975 | 0.110905 |
| 1974 | 0.11674 |
| 1973 | 0.147946 |
| 1972 | 0.120944 |
| 1971 | 0.146872 |
| 1970 | 0.14246 |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |