| 年份 | 拉脱维亚 |
|---|---|
| 2023 | - |
| 2022 | 5.91853 |
| 2021 | 5.90568 |
| 2020 | 5.95402 |
| 2019 | 6.04886 |
| 2018 | 6.15376 |
| 2017 | 6.26254 |
| 2016 | 6.39642 |
| 2015 | 6.51383 |
| 2014 | 6.57801 |
| 2013 | 6.60299 |
| 2012 | 6.58673 |
| 2011 | 6.52971 |
| 2010 | 6.43753 |
| 2009 | 6.39156 |
| 2008 | 6.45411 |
| 2007 | 6.58399 |
| 2006 | 6.75117 |
| 2005 | 6.9481 |
| 2004 | 7.10641 |
| 2003 | 7.17716 |
| 2002 | 7.18859 |
| 2001 | 7.13816 |
| 2000 | 7.06376 |
| 1999 | 7.00573 |
| 1998 | 6.90127 |
| 1997 | 6.76274 |
| 1996 | 6.65139 |
| 1995 | 6.52973 |
| 1994 | 6.4069 |
| 1993 | 6.34609 |
| 1992 | 6.29409 |
| 1991 | 6.18304 |
| 1990 | 6.03166 |
| 1989 | 5.86099 |
| 1988 | 5.73175 |
| 1987 | 5.73488 |
| 1986 | 5.91171 |
| 1985 | 6.21868 |
| 1984 | 6.58349 |
| 1983 | 6.94443 |
| 1982 | 7.22415 |
| 1981 | 7.36758 |
| 1980 | 7.37252 |
| 1979 | 7.2582 |
| 1978 | 7.08312 |
| 1977 | 6.93268 |
| 1976 | 6.85343 |
| 1975 | 6.87471 |
| 1974 | 6.99995 |
| 1973 | 7.18922 |
| 1972 | 7.39631 |
| 1971 | 7.59845 |
| 1970 | 7.77229 |
| 1969 | 7.89148 |
| 1968 | 7.93637 |
| 1967 | 7.86635 |
| 1966 | 7.64892 |
| 1965 | 7.29534 |
| 1964 | 6.85375 |
| 1963 | 6.34901 |
| 1962 | 5.83698 |
| 1961 | 5.4459 |
| 1960 | 5.27217 |