| 年份 | 意大利 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | - |
| 2020 | - |
| 2019 | - |
| 2018 | - |
| 2017 | 0.33437 |
| 2016 | 0.3624 |
| 2015 | 0.35941 |
| 2014 | 0.35913 |
| 2013 | 0.26003 |
| 2012 | 0.29432 |
| 2011 | 0.32417 |
| 2010 | 0.31093 |
| 2009 | 0.3081 |
| 2008 | 0.26957 |
| 2007 | 0.24318 |
| 2006 | 0.21468 |
| 2005 | 0.23138 |
| 2004 | 0.29775 |
| 2003 | 0.2894 |
| 2002 | 0.28747 |
| 2001 | 0.32555 |
| 2000 | 0.43634 |
| 1999 | 0.38496 |
| 1998 | - |
| 1997 | 0.43912 |
| 1996 | 0.43439 |
| 1995 | 0.54489 |
| 1994 | 0.60214 |
| 1993 | - |
| 1992 | 0.68789 |
| 1991 | - |
| 1990 | 0.92 |
| 1989 | 0.93903 |
| 1988 | 0.95 |
| 1987 | 0.97058 |
| 1986 | 1.02049 |
| 1985 | 1.04256 |
| 1984 | 1.18779 |
| 1983 | 1.24723 |
| 1982 | 1.34728 |
| 1981 | 1.22174 |
| 1980 | 1.31817 |
| 1979 | 1.31156 |
| 1978 | 2.20353 |
| 1977 | 2.50666 |
| 1976 | 2.97663 |
| 1975 | 3.84753 |
| 1974 | 4.46171 |
| 1973 | 5.28955 |
| 1972 | 5.87855 |
| 1971 | 7.20693 |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |