| 年份 | 拉脱维亚 |
|---|---|
| 2023 | - |
| 2022 | 4.16339 |
| 2021 | 4.06091 |
| 2020 | 3.96523 |
| 2019 | 3.94616 |
| 2018 | 4.08825 |
| 2017 | 4.42404 |
| 2016 | 4.87531 |
| 2015 | 5.35613 |
| 2014 | 5.77869 |
| 2013 | 6.10923 |
| 2012 | 6.38909 |
| 2011 | 6.62943 |
| 2010 | 6.77257 |
| 2009 | 6.87794 |
| 2008 | 7.00741 |
| 2007 | 7.01016 |
| 2006 | 6.86843 |
| 2005 | 6.72519 |
| 2004 | 6.58515 |
| 2003 | 6.41066 |
| 2002 | 6.2834 |
| 2001 | 6.23532 |
| 2000 | 6.23416 |
| 1999 | 6.268 |
| 1998 | 6.32126 |
| 1997 | 6.38968 |
| 1996 | 6.46868 |
| 1995 | 6.52186 |
| 1994 | 6.53059 |
| 1993 | 6.50958 |
| 1992 | 6.46757 |
| 1991 | 6.41362 |
| 1990 | 6.36622 |
| 1989 | 6.37603 |
| 1988 | 6.47616 |
| 1987 | 6.63914 |
| 1986 | 6.84561 |
| 1985 | 7.07286 |
| 1984 | 7.26026 |
| 1983 | 7.37382 |
| 1982 | 7.41614 |
| 1981 | 7.37824 |
| 1980 | 7.29931 |
| 1979 | 7.22114 |
| 1978 | 7.0984 |
| 1977 | 6.95445 |
| 1976 | 6.85162 |
| 1975 | 6.76108 |
| 1974 | 6.69445 |
| 1973 | 6.68788 |
| 1972 | 6.6663 |
| 1971 | 6.56127 |
| 1970 | 6.39778 |
| 1969 | 6.20846 |
| 1968 | 6.07297 |
| 1967 | 6.08386 |
| 1966 | 6.26045 |
| 1965 | 6.55687 |
| 1964 | 6.91646 |
| 1963 | 7.2674 |
| 1962 | 7.53013 |
| 1961 | 7.68145 |
| 1960 | 7.72962 |