| 年份 | 朝鲜民主主义人民共和国  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | 6.29468 | 
| 2021 | 6.43205 | 
| 2020 | 6.57564 | 
| 2019 | 6.71428 | 
| 2018 | 6.8614 | 
| 2017 | 7.01061 | 
| 2016 | 7.15698 | 
| 2015 | 7.3106 | 
| 2014 | 7.46053 | 
| 2013 | 7.60004 | 
| 2012 | 7.72631 | 
| 2011 | 7.81281 | 
| 2010 | 7.8444 | 
| 2009 | 7.8236 | 
| 2008 | 7.76345 | 
| 2007 | 7.68369 | 
| 2006 | 7.6079 | 
| 2005 | 7.55283 | 
| 2004 | 7.51957 | 
| 2003 | 7.49198 | 
| 2002 | 7.45545 | 
| 2001 | 7.416 | 
| 2000 | 7.37319 | 
| 1999 | 7.33348 | 
| 1998 | 7.29387 | 
| 1997 | 7.25051 | 
| 1996 | 7.23591 | 
| 1995 | 7.33018 | 
| 1994 | 7.56358 | 
| 1993 | 7.94456 | 
| 1992 | 8.57874 | 
| 1991 | 9.32542 | 
| 1990 | 9.98978 | 
| 1989 | 10.5908 | 
| 1988 | 11.0879 | 
| 1987 | 11.3852 | 
| 1986 | 11.4802 | 
| 1985 | 11.4018 | 
| 1984 | 11.1906 | 
| 1983 | 10.9429 | 
| 1982 | 10.567 | 
| 1981 | 10.1159 | 
| 1980 | 9.82329 | 
| 1979 | 9.63246 | 
| 1978 | 9.56364 | 
| 1977 | 9.67769 | 
| 1976 | 9.71443 | 
| 1975 | 9.57822 | 
| 1974 | 9.3684 | 
| 1973 | 8.87557 | 
| 1972 | 8.04513 | 
| 1971 | 7.28176 | 
| 1970 | 7.01324 | 
| 1969 | 7.14054 | 
| 1968 | 7.48504 | 
| 1967 | 8.2159 | 
| 1966 | 9.26223 | 
| 1965 | 10.0086 | 
| 1964 | 10.3906 | 
| 1963 | 10.8174 | 
| 1962 | 11.2079 | 
| 1961 | 11.5406 | 
| 1960 | 11.8941 |