| 年份 | 大韩民国 |
|---|---|
| 2023 | - |
| 2022 | 8.1204 |
| 2021 | 7.86085 |
| 2020 | 7.47762 |
| 2019 | 7.09094 |
| 2018 | 6.69229 |
| 2017 | 6.32919 |
| 2016 | 5.94823 |
| 2015 | 5.49739 |
| 2014 | 5.14622 |
| 2013 | 4.9493 |
| 2012 | 4.79464 |
| 2011 | 4.65304 |
| 2010 | 4.53827 |
| 2009 | 4.42513 |
| 2008 | 4.293 |
| 2007 | 4.17272 |
| 2006 | 4.12427 |
| 2005 | 4.15288 |
| 2004 | 4.22173 |
| 2003 | 4.274 |
| 2002 | 4.24257 |
| 2001 | 4.15089 |
| 2000 | 4.09113 |
| 1999 | 4.04065 |
| 1998 | 3.93775 |
| 1997 | 3.82762 |
| 1996 | 3.72301 |
| 1995 | 3.58899 |
| 1994 | 3.45418 |
| 1993 | 3.34631 |
| 1992 | 3.2205 |
| 1991 | 3.08954 |
| 1990 | 2.99986 |
| 1989 | 2.9292 |
| 1988 | 2.87566 |
| 1987 | 2.83639 |
| 1986 | 2.79572 |
| 1985 | 2.75687 |
| 1984 | 2.68768 |
| 1983 | 2.57706 |
| 1982 | 2.47753 |
| 1981 | 2.41475 |
| 1980 | 2.37422 |
| 1979 | 2.36466 |
| 1978 | 2.37215 |
| 1977 | 2.34915 |
| 1976 | 2.28269 |
| 1975 | 2.2266 |
| 1974 | 2.22853 |
| 1973 | 2.26108 |
| 1972 | 2.28972 |
| 1971 | 2.31736 |
| 1970 | 2.3148 |
| 1969 | 2.24821 |
| 1968 | 2.15775 |
| 1967 | 2.09738 |
| 1966 | 2.07713 |
| 1965 | 2.07288 |
| 1964 | 2.08793 |
| 1963 | 2.13585 |
| 1962 | 2.20433 |
| 1961 | 2.27767 |
| 1960 | 2.34463 |