| 年份 | 拉脱维亚 |
|---|---|
| 2023 | - |
| 2022 | 5.14661 |
| 2021 | 5.06585 |
| 2020 | 4.99652 |
| 2019 | 4.99496 |
| 2018 | 5.16034 |
| 2017 | 5.55583 |
| 2016 | 6.08683 |
| 2015 | 6.64099 |
| 2014 | 7.13937 |
| 2013 | 7.55606 |
| 2012 | 7.89562 |
| 2011 | 8.16324 |
| 2010 | 8.33482 |
| 2009 | 8.46147 |
| 2008 | 8.60028 |
| 2007 | 8.60373 |
| 2006 | 8.43641 |
| 2005 | 8.2424 |
| 2004 | 8.0366 |
| 2003 | 7.7875 |
| 2002 | 7.59586 |
| 2001 | 7.51042 |
| 2000 | 7.49335 |
| 1999 | 7.53242 |
| 1998 | 7.60842 |
| 1997 | 7.70854 |
| 1996 | 7.81984 |
| 1995 | 7.90137 |
| 1994 | 7.93494 |
| 1993 | 7.92327 |
| 1992 | 7.87746 |
| 1991 | 7.81988 |
| 1990 | 7.77369 |
| 1989 | 7.7864 |
| 1988 | 7.90666 |
| 1987 | 8.11633 |
| 1986 | 8.38566 |
| 1985 | 8.67982 |
| 1984 | 8.92904 |
| 1983 | 9.09775 |
| 1982 | 9.17972 |
| 1981 | 9.1506 |
| 1980 | 9.0606 |
| 1979 | 8.97031 |
| 1978 | 8.83209 |
| 1977 | 8.67907 |
| 1976 | 8.59403 |
| 1975 | 8.54229 |
| 1974 | 8.51721 |
| 1973 | 8.54692 |
| 1972 | 8.53263 |
| 1971 | 8.37953 |
| 1970 | 8.12142 |
| 1969 | 7.81993 |
| 1968 | 7.59063 |
| 1967 | 7.55267 |
| 1966 | 7.73334 |
| 1965 | 8.07205 |
| 1964 | 8.4836 |
| 1963 | 8.88311 |
| 1962 | 9.18007 |
| 1961 | 9.32893 |
| 1960 | 9.33655 |