| 年份 | 大韩民国 |
|---|---|
| 2023 | - |
| 2022 | 2.9116 |
| 2021 | 3.0967 |
| 2020 | 3.34158 |
| 2019 | 3.59369 |
| 2018 | 3.81309 |
| 2017 | 4.01952 |
| 2016 | 4.20731 |
| 2015 | 4.32574 |
| 2014 | 4.38219 |
| 2013 | 4.42738 |
| 2012 | 4.46749 |
| 2011 | 4.49156 |
| 2010 | 4.47571 |
| 2009 | 4.44671 |
| 2008 | 4.4761 |
| 2007 | 4.56697 |
| 2006 | 4.75004 |
| 2005 | 5.06534 |
| 2004 | 5.41124 |
| 2003 | 5.72873 |
| 2002 | 6.05968 |
| 2001 | 6.37271 |
| 2000 | 6.60625 |
| 1999 | 6.78376 |
| 1998 | 6.95523 |
| 1997 | 7.11917 |
| 1996 | 7.24776 |
| 1995 | 7.28374 |
| 1994 | 7.2298 |
| 1993 | 7.16321 |
| 1992 | 7.14877 |
| 1991 | 7.21734 |
| 1990 | 7.34877 |
| 1989 | 7.5345 |
| 1988 | 7.82721 |
| 1987 | 8.23561 |
| 1986 | 8.72888 |
| 1985 | 9.25789 |
| 1984 | 9.67483 |
| 1983 | 9.87984 |
| 1982 | 9.96381 |
| 1981 | 10.013 |
| 1980 | 10.1383 |
| 1979 | 10.4236 |
| 1978 | 10.8367 |
| 1977 | 11.3497 |
| 1976 | 11.8981 |
| 1975 | 12.4102 |
| 1974 | 12.8371 |
| 1973 | 13.1269 |
| 1972 | 13.3104 |
| 1971 | 13.5104 |
| 1970 | 13.7893 |
| 1969 | 14.121 |
| 1968 | 14.5705 |
| 1967 | 15.1149 |
| 1966 | 15.6788 |
| 1965 | 16.2801 |
| 1964 | 16.8223 |
| 1963 | 17.2166 |
| 1962 | 17.4261 |
| 1961 | 17.4615 |
| 1960 | 17.4008 |