| 年份 | 德国 |
|---|---|
| 2023 | - |
| 2022 | 6.35472 |
| 2021 | 6.2289 |
| 2020 | 6.09144 |
| 2019 | 5.98132 |
| 2018 | 5.92399 |
| 2017 | 5.94247 |
| 2016 | 6.09197 |
| 2015 | 6.36611 |
| 2014 | 6.74182 |
| 2013 | 7.20324 |
| 2012 | 7.68128 |
| 2011 | 8.10948 |
| 2010 | 8.47486 |
| 2009 | 8.77343 |
| 2008 | 8.993 |
| 2007 | 9.12096 |
| 2006 | 9.15206 |
| 2005 | 9.10113 |
| 2004 | 8.97662 |
| 2003 | 8.77675 |
| 2002 | 8.5427 |
| 2001 | 8.30967 |
| 2000 | 8.07971 |
| 1999 | 7.86436 |
| 1998 | 7.67916 |
| 1997 | 7.53034 |
| 1996 | 7.41098 |
| 1995 | 7.32996 |
| 1994 | 7.27674 |
| 1993 | 7.19159 |
| 1992 | 7.03928 |
| 1991 | 6.79099 |
| 1990 | 6.4135 |
| 1989 | 6.1538 |
| 1988 | 6.15612 |
| 1987 | 6.25898 |
| 1986 | 6.60841 |
| 1985 | 7.30693 |
| 1984 | 7.94938 |
| 1983 | 8.33547 |
| 1982 | 8.61224 |
| 1981 | 8.69353 |
| 1980 | 8.53486 |
| 1979 | 8.26129 |
| 1978 | 7.86702 |
| 1977 | 7.4459 |
| 1976 | 7.10617 |
| 1975 | 6.84906 |
| 1974 | 6.67765 |
| 1973 | 6.67639 |
| 1972 | 6.74996 |
| 1971 | 6.70133 |
| 1970 | 6.53702 |
| 1969 | 6.26392 |
| 1968 | 5.9358 |
| 1967 | 5.70559 |
| 1966 | 5.64758 |
| 1965 | 5.67227 |
| 1964 | 5.64608 |
| 1963 | 5.40012 |
| 1962 | 4.95234 |
| 1961 | 4.45606 |
| 1960 | 4.06698 |