| 年份 | 拉脱维亚 |
|---|---|
| 2023 | - |
| 2022 | 5.58119 |
| 2021 | 5.40088 |
| 2020 | 5.27237 |
| 2019 | 5.2494 |
| 2018 | 5.18406 |
| 2017 | 5.06089 |
| 2016 | 4.99034 |
| 2015 | 4.9588 |
| 2014 | 4.99214 |
| 2013 | 5.18773 |
| 2012 | 5.59852 |
| 2011 | 6.13064 |
| 2010 | 6.67939 |
| 2009 | 7.17921 |
| 2008 | 7.61249 |
| 2007 | 7.98211 |
| 2006 | 8.28265 |
| 2005 | 8.47869 |
| 2004 | 8.60813 |
| 2003 | 8.71648 |
| 2002 | 8.67689 |
| 2001 | 8.46848 |
| 2000 | 8.22991 |
| 1999 | 7.98039 |
| 1998 | 7.69377 |
| 1997 | 7.46662 |
| 1996 | 7.34466 |
| 1995 | 7.28204 |
| 1994 | 7.26527 |
| 1993 | 7.29603 |
| 1992 | 7.3773 |
| 1991 | 7.48987 |
| 1990 | 7.58787 |
| 1989 | 7.6543 |
| 1988 | 7.68075 |
| 1987 | 7.6562 |
| 1986 | 7.59274 |
| 1985 | 7.51475 |
| 1984 | 7.47823 |
| 1983 | 7.54306 |
| 1982 | 7.69644 |
| 1981 | 7.9112 |
| 1980 | 8.16137 |
| 1979 | 8.37847 |
| 1978 | 8.51693 |
| 1977 | 8.57268 |
| 1976 | 8.52596 |
| 1975 | 8.42667 |
| 1974 | 8.33695 |
| 1973 | 8.20807 |
| 1972 | 8.07917 |
| 1971 | 8.04767 |
| 1970 | 8.07346 |
| 1969 | 8.12829 |
| 1968 | 8.23052 |
| 1967 | 8.28535 |
| 1966 | 8.20607 |
| 1965 | 8.03406 |
| 1964 | 7.82869 |
| 1963 | 7.68982 |
| 1962 | 7.72041 |
| 1961 | 7.94869 |
| 1960 | 8.32986 |