| 年份 | 意大利 |
|---|---|
| 2023 | - |
| 2022 | 8.22317 |
| 2021 | 8.24049 |
| 2020 | 8.26315 |
| 2019 | 8.28545 |
| 2018 | 8.26032 |
| 2017 | 8.16579 |
| 2016 | 8.02121 |
| 2015 | 7.82908 |
| 2014 | 7.58965 |
| 2013 | 7.35293 |
| 2012 | 7.16931 |
| 2011 | 7.01433 |
| 2010 | 6.87689 |
| 2009 | 6.76086 |
| 2008 | 6.66445 |
| 2007 | 6.58273 |
| 2006 | 6.5055 |
| 2005 | 6.47206 |
| 2004 | 6.5048 |
| 2003 | 6.62164 |
| 2002 | 6.77891 |
| 2001 | 6.92303 |
| 2000 | 6.89361 |
| 1999 | 6.69431 |
| 1998 | 6.4775 |
| 1997 | 6.24797 |
| 1996 | 6.03291 |
| 1995 | 6.03974 |
| 1994 | 6.24863 |
| 1993 | 6.41708 |
| 1992 | 6.52104 |
| 1991 | 6.52469 |
| 1990 | 6.44774 |
| 1989 | 6.3408 |
| 1988 | 6.23815 |
| 1987 | 6.17641 |
| 1986 | 6.18526 |
| 1985 | 6.24561 |
| 1984 | 6.28218 |
| 1983 | 6.29075 |
| 1982 | 6.3237 |
| 1981 | 6.33893 |
| 1980 | 6.30242 |
| 1979 | 6.27852 |
| 1978 | 6.28057 |
| 1977 | 6.27738 |
| 1976 | 6.25208 |
| 1975 | 6.24706 |
| 1974 | 6.05472 |
| 1973 | 5.55808 |
| 1972 | 5.01274 |
| 1971 | 4.59893 |
| 1970 | 4.36461 |
| 1969 | 4.4746 |
| 1968 | 4.97903 |
| 1967 | 5.58031 |
| 1966 | 6.0661 |
| 1965 | 6.34528 |
| 1964 | 6.46976 |
| 1963 | 6.49859 |
| 1962 | 6.44262 |
| 1961 | 6.34933 |
| 1960 | 6.23269 |