| 年份 | 日本 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 0.008807 |
| 2020 | 0.00484052 |
| 2019 | 0.00645253 |
| 2018 | 0.00711272 |
| 2017 | 0.00554716 |
| 2016 | 0.00501933 |
| 2015 | 0.00750712 |
| 2014 | 0.0062921 |
| 2013 | 0.0047763 |
| 2012 | 0.00481474 |
| 2011 | 0.00529773 |
| 2010 | 0.00516617 |
| 2009 | 0.00547499 |
| 2008 | 0.00611778 |
| 2007 | 0.00620308 |
| 2006 | 0.00574037 |
| 2005 | 0.00558075 |
| 2004 | 0.00509653 |
| 2003 | 0.00461007 |
| 2002 | 0.00383014 |
| 2001 | 0.00380597 |
| 2000 | 0.0036993 |
| 1999 | 0.00236082 |
| 1998 | 0.00241314 |
| 1997 | 0.00306615 |
| 1996 | 0.00258804 |
| 1995 | 0.00198079 |
| 1994 | 0.00215477 |
| 1993 | 0.00210785 |
| 1992 | 0.00196853 |
| 1991 | 0.00200857 |
| 1990 | 0.00261203 |
| 1989 | 0.00184351 |
| 1988 | 0.00171627 |
| 1987 | 0.00256995 |
| 1986 | 0.0034679 |
| 1985 | 0.00351499 |
| 1984 | 0.00279809 |
| 1983 | 0.00225268 |
| 1982 | 0.00120109 |
| 1981 | 0.00340226 |
| 1980 | 0.00933648 |
| 1979 | 0.0110453 |
| 1978 | 0.00892964 |
| 1977 | 0.0116698 |
| 1976 | 0.0136175 |
| 1975 | 0.0142011 |
| 1974 | 0.00923803 |
| 1973 | 0.00213929 |
| 1972 | 0.00177111 |
| 1971 | 0.00154618 |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |