| 年份 | 日本 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 0.0473045 |
| 2020 | 0.0969972 |
| 2019 | 0.0932287 |
| 2018 | 0.0367554 |
| 2017 | 0.0384459 |
| 2016 | 0.0251769 |
| 2015 | 0.0289687 |
| 2014 | 0.0280709 |
| 2013 | 0.0232127 |
| 2012 | 0.0200902 |
| 2011 | 0.021677 |
| 2010 | 0.0200969 |
| 2009 | 0.019449 |
| 2008 | 0.0239725 |
| 2007 | 0.0226743 |
| 2006 | 0.0193075 |
| 2005 | 0.016946 |
| 2004 | 0.0134382 |
| 2003 | 0.0142574 |
| 2002 | 0.0132277 |
| 2001 | 0.0129923 |
| 2000 | 0.0139786 |
| 1999 | 0.0124887 |
| 1998 | 0.0149911 |
| 1997 | 0.0176708 |
| 1996 | 0.019113 |
| 1995 | 0.0169916 |
| 1994 | 0.018282 |
| 1993 | 0.0226594 |
| 1992 | 0.0249185 |
| 1991 | 0.0289444 |
| 1990 | 0.0368697 |
| 1989 | 0.0399027 |
| 1988 | 0.0354411 |
| 1987 | 0.0370195 |
| 1986 | 0.0503189 |
| 1985 | 0.0863052 |
| 1984 | 0.0767289 |
| 1983 | 0.105491 |
| 1982 | 0.147774 |
| 1981 | 0.120107 |
| 1980 | 0.160898 |
| 1979 | 0.240767 |
| 1978 | 0.155056 |
| 1977 | 0.207976 |
| 1976 | 0.266342 |
| 1975 | 0.264232 |
| 1974 | 0.280594 |
| 1973 | 0.219322 |
| 1972 | 0.159844 |
| 1971 | 0.200393 |
| 1970 | 0.228015 |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |