| 年份 | 意大利 |
|---|---|
| 2023 | - |
| 2022 | 6.0673 |
| 2021 | 5.94067 |
| 2020 | 5.786 |
| 2019 | 5.5783 |
| 2018 | 5.35448 |
| 2017 | 5.17505 |
| 2016 | 5.03268 |
| 2015 | 4.88997 |
| 2014 | 4.73183 |
| 2013 | 4.57073 |
| 2012 | 4.43722 |
| 2011 | 4.30503 |
| 2010 | 4.13912 |
| 2009 | 3.97857 |
| 2008 | 3.8504 |
| 2007 | 3.72459 |
| 2006 | 3.58287 |
| 2005 | 3.43761 |
| 2004 | 3.29238 |
| 2003 | 3.15631 |
| 2002 | 3.02265 |
| 2001 | 2.86989 |
| 2000 | 2.7093 |
| 1999 | 2.63915 |
| 1998 | 2.7041 |
| 1997 | 2.80275 |
| 1996 | 2.85368 |
| 1995 | 2.81735 |
| 1994 | 2.71997 |
| 1993 | 2.60166 |
| 1992 | 2.46586 |
| 1991 | 2.34006 |
| 1990 | 2.21898 |
| 1989 | 2.09154 |
| 1988 | 1.97555 |
| 1987 | 1.87566 |
| 1986 | 1.7927 |
| 1985 | 1.71904 |
| 1984 | 1.64979 |
| 1983 | 1.59899 |
| 1982 | 1.55169 |
| 1981 | 1.50158 |
| 1980 | 1.4793 |
| 1979 | 1.4587 |
| 1978 | 1.42824 |
| 1977 | 1.40407 |
| 1976 | 1.38899 |
| 1975 | 1.39239 |
| 1974 | 1.40141 |
| 1973 | 1.40395 |
| 1972 | 1.39531 |
| 1971 | 1.37722 |
| 1970 | 1.36659 |
| 1969 | 1.35118 |
| 1968 | 1.33745 |
| 1967 | 1.32591 |
| 1966 | 1.30825 |
| 1965 | 1.29597 |
| 1964 | 1.27304 |
| 1963 | 1.25022 |
| 1962 | 1.23934 |
| 1961 | 1.2128 |
| 1960 | 1.18889 |