| 年份 | 意大利 |
|---|---|
| 2023 | - |
| 2022 | 8.04507 |
| 2021 | 7.89691 |
| 2020 | 7.70549 |
| 2019 | 7.468 |
| 2018 | 7.22859 |
| 2017 | 7.02968 |
| 2016 | 6.85392 |
| 2015 | 6.69278 |
| 2014 | 6.55605 |
| 2013 | 6.43392 |
| 2012 | 6.31463 |
| 2011 | 6.21084 |
| 2010 | 6.15819 |
| 2009 | 6.15939 |
| 2008 | 6.24392 |
| 2007 | 6.39274 |
| 2006 | 6.53316 |
| 2005 | 6.4973 |
| 2004 | 6.30922 |
| 2003 | 6.12145 |
| 2002 | 5.9287 |
| 2001 | 5.75011 |
| 2000 | 5.78113 |
| 1999 | 5.99573 |
| 1998 | 6.15866 |
| 1997 | 6.25351 |
| 1996 | 6.28129 |
| 1995 | 6.23644 |
| 1994 | 6.14292 |
| 1993 | 6.05609 |
| 1992 | 6.01255 |
| 1991 | 6.02009 |
| 1990 | 6.07115 |
| 1989 | 6.11195 |
| 1988 | 6.12184 |
| 1987 | 6.14998 |
| 1986 | 6.17272 |
| 1985 | 6.14503 |
| 1984 | 6.1295 |
| 1983 | 6.16104 |
| 1982 | 6.19439 |
| 1981 | 6.2198 |
| 1980 | 6.264 |
| 1979 | 6.09728 |
| 1978 | 5.61364 |
| 1977 | 5.05454 |
| 1976 | 4.6068 |
| 1975 | 4.34073 |
| 1974 | 4.41355 |
| 1973 | 4.85967 |
| 1972 | 5.38618 |
| 1971 | 5.79888 |
| 1970 | 6.01414 |
| 1969 | 6.09231 |
| 1968 | 6.09743 |
| 1967 | 6.0406 |
| 1966 | 5.9589 |
| 1965 | 5.85973 |
| 1964 | 5.74111 |
| 1963 | 5.60169 |
| 1962 | 5.47335 |
| 1961 | 5.37714 |
| 1960 | 5.30163 |