| 年份 | 德国 |
|---|---|
| 2023 | - |
| 2022 | 7.37905 |
| 2021 | 7.75499 |
| 2020 | 8.07865 |
| 2019 | 8.34722 |
| 2018 | 8.54697 |
| 2017 | 8.66098 |
| 2016 | 8.69061 |
| 2015 | 8.64627 |
| 2014 | 8.53107 |
| 2013 | 8.34436 |
| 2012 | 8.12287 |
| 2011 | 7.90023 |
| 2010 | 7.68039 |
| 2009 | 7.47104 |
| 2008 | 7.28897 |
| 2007 | 7.1442 |
| 2006 | 7.03044 |
| 2005 | 6.95379 |
| 2004 | 6.90309 |
| 2003 | 6.81971 |
| 2002 | 6.66743 |
| 2001 | 6.41885 |
| 2000 | 6.04442 |
| 1999 | 5.77903 |
| 1998 | 5.7551 |
| 1997 | 5.82832 |
| 1996 | 6.1362 |
| 1995 | 6.76394 |
| 1994 | 7.33815 |
| 1993 | 7.68337 |
| 1992 | 7.93666 |
| 1991 | 8.01277 |
| 1990 | 7.87452 |
| 1989 | 7.63729 |
| 1988 | 7.2891 |
| 1987 | 6.91422 |
| 1986 | 6.61178 |
| 1985 | 6.37996 |
| 1984 | 6.22153 |
| 1983 | 6.22483 |
| 1982 | 6.29704 |
| 1981 | 6.24365 |
| 1980 | 6.07417 |
| 1979 | 5.79759 |
| 1978 | 5.46245 |
| 1977 | 5.21483 |
| 1976 | 5.12541 |
| 1975 | 5.10963 |
| 1974 | 5.04908 |
| 1973 | 4.79627 |
| 1972 | 4.37056 |
| 1971 | 3.90833 |
| 1970 | 3.54693 |
| 1969 | 3.52726 |
| 1968 | 3.93233 |
| 1967 | 4.56196 |
| 1966 | 5.19168 |
| 1965 | 5.70142 |
| 1964 | 6.04953 |
| 1963 | 6.28438 |
| 1962 | 6.47732 |
| 1961 | 6.67978 |
| 1960 | 6.90957 |