| 年份 | 意大利 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | - |
| 2020 | - |
| 2019 | - |
| 2018 | - |
| 2017 | - |
| 2016 | - |
| 2015 | - |
| 2014 | - |
| 2013 | - |
| 2012 | - |
| 2011 | 0.000618005 |
| 2010 | 0.000476899 |
| 2009 | 0.000354766 |
| 2008 | 0.000264087 |
| 2007 | 0.000222739 |
| 2006 | 9.83591E-5 |
| 2005 | 3.86169E-5 |
| 2004 | 3.62818E-5 |
| 2003 | 9.07306E-5 |
| 2002 | 0.000111915 |
| 2001 | 8.13094E-5 |
| 2000 | 0.00013849 |
| 1999 | 0.000159905 |
| 1998 | 0.000140238 |
| 1997 | 0.000268818 |
| 1996 | 0.000153061 |
| 1995 | 0.000280051 |
| 1994 | 0.000411475 |
| 1993 | 0.000199787 |
| 1992 | 0.000812038 |
| 1991 | 0.000561046 |
| 1990 | 0.00246916 |
| 1989 | 0.0114195 |
| 1988 | 0.0122153 |
| 1987 | 0.000119677 |
| 1986 | - |
| 1985 | 9.93227E-6 |
| 1984 | 0.000152745 |
| 1983 | 0.000281524 |
| 1982 | 0.000518859 |
| 1981 | 0.00150132 |
| 1980 | 0.00403838 |
| 1979 | 0.00584407 |
| 1978 | 0.00293691 |
| 1977 | 0.00416366 |
| 1976 | 0.00373723 |
| 1975 | 0.00397002 |
| 1974 | 0.0291707 |
| 1973 | 0.0193878 |
| 1972 | 0.00345785 |
| 1971 | 0.00387814 |
| 1970 | 0.0076891 |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |