| 年份 | 拉脱维亚 |
|---|---|
| 2023 | - |
| 2022 | 5.34919 |
| 2021 | 5.57714 |
| 2020 | 5.80001 |
| 2019 | 5.97331 |
| 2018 | 6.04542 |
| 2017 | 6.00032 |
| 2016 | 5.83523 |
| 2015 | 5.62731 |
| 2014 | 5.48283 |
| 2013 | 5.46563 |
| 2012 | 5.54185 |
| 2011 | 5.63402 |
| 2010 | 5.69129 |
| 2009 | 5.64683 |
| 2008 | 5.50702 |
| 2007 | 5.31939 |
| 2006 | 5.1316 |
| 2005 | 4.99812 |
| 2004 | 4.92192 |
| 2003 | 4.82261 |
| 2002 | 4.71114 |
| 2001 | 4.66105 |
| 2000 | 4.67017 |
| 1999 | 4.77531 |
| 1998 | 5.01428 |
| 1997 | 5.38618 |
| 1996 | 5.84889 |
| 1995 | 6.34561 |
| 1994 | 6.81951 |
| 1993 | 7.26513 |
| 1992 | 7.67959 |
| 1991 | 8.01995 |
| 1990 | 8.24092 |
| 1989 | 8.38183 |
| 1988 | 8.47682 |
| 1987 | 8.45089 |
| 1986 | 8.31602 |
| 1985 | 8.16424 |
| 1984 | 7.99303 |
| 1983 | 7.77669 |
| 1982 | 7.6059 |
| 1981 | 7.53189 |
| 1980 | 7.51674 |
| 1979 | 7.54014 |
| 1978 | 7.58667 |
| 1977 | 7.65299 |
| 1976 | 7.73471 |
| 1975 | 7.79539 |
| 1974 | 7.81586 |
| 1973 | 7.81108 |
| 1972 | 7.77585 |
| 1971 | 7.70044 |
| 1970 | 7.61919 |
| 1969 | 7.6065 |
| 1968 | 7.70686 |
| 1967 | 7.90099 |
| 1966 | 8.17622 |
| 1965 | 8.49494 |
| 1964 | 8.77545 |
| 1963 | 8.97515 |
| 1962 | 9.0816 |
| 1961 | 9.08349 |
| 1960 | 9.05026 |