| 年份 | 大韩民国 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 1.37696 |
| 2020 | 1.2973 |
| 2019 | 1.4186 |
| 2018 | 1.58431 |
| 2017 | 1.7773 |
| 2016 | 1.79894 |
| 2015 | 2.0479 |
| 2014 | 2.18762 |
| 2013 | 2.76212 |
| 2012 | 2.49506 |
| 2011 | 3.82394 |
| 2010 | 4.01321 |
| 2009 | 3.73523 |
| 2008 | 3.55855 |
| 2007 | 3.14007 |
| 2006 | 3.32796 |
| 2005 | 3.35079 |
| 2004 | 3.87817 |
| 2003 | 4.07056 |
| 2002 | 4.24672 |
| 2001 | 4.1754 |
| 2000 | 4.30735 |
| 1999 | 4.42171 |
| 1998 | 4.02309 |
| 1997 | 6.38968 |
| 1996 | 6.39862 |
| 1995 | 6.53806 |
| 1994 | 5.7815 |
| 1993 | 5.78733 |
| 1992 | 7.29648 |
| 1991 | 9.16324 |
| 1990 | 11.7611 |
| 1989 | 10.8697 |
| 1988 | 14.0438 |
| 1987 | 17.315 |
| 1986 | 14.9418 |
| 1985 | 14.1942 |
| 1984 | 15.3545 |
| 1983 | 15.7558 |
| 1982 | 13.3367 |
| 1981 | 13.9325 |
| 1980 | 15.049 |
| 1979 | 16.9829 |
| 1978 | 18.9765 |
| 1977 | 16.1675 |
| 1976 | 14.866 |
| 1975 | 13.0155 |
| 1974 | 12.3782 |
| 1973 | 12.1481 |
| 1972 | 10.2253 |
| 1971 | - |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |