| 年份 | 意大利  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | - | 
| 2021 | - | 
| 2020 | - | 
| 2019 | - | 
| 2018 | - | 
| 2017 | - | 
| 2016 | - | 
| 2015 | 5.64827E-5 | 
| 2014 | 5.87348E-5 | 
| 2013 | 5.17984E-5 | 
| 2012 | 0.000101851 | 
| 2011 | 0.000222535 | 
| 2010 | 0.000211732 | 
| 2009 | 7.82262E-5 | 
| 2008 | 0.000384831 | 
| 2007 | 0.000174439 | 
| 2006 | 1.64753E-5 | 
| 2005 | 7.49835E-5 | 
| 2004 | 0.00011468 | 
| 2003 | 4.36295E-5 | 
| 2002 | 3.23734E-5 | 
| 2001 | 7.35012E-5 | 
| 2000 | 9.55691E-7 | 
| 1999 | 8.1002E-7 | 
| 1998 | 6.52632E-6 | 
| 1997 | 3.95683E-6 | 
| 1996 | 5.50714E-6 | 
| 1995 | 1.33304E-5 | 
| 1994 | 4.47799E-6 | 
| 1993 | 8.59181E-6 | 
| 1992 | 8.59494E-5 | 
| 1991 | 0.00017165 | 
| 1990 | 0.000213251 | 
| 1989 | 7.38211E-5 | 
| 1988 | 5.86192E-5 | 
| 1987 | 4.01298E-5 | 
| 1986 | 0.000169423 | 
| 1985 | 0.00146772 | 
| 1984 | 0.000987657 | 
| 1983 | 0.00175184 | 
| 1982 | 0.00463881 | 
| 1981 | 0.00273152 | 
| 1980 | 0.00124618 | 
| 1979 | 0.000783618 | 
| 1978 | 0.000930727 | 
| 1977 | 0.00160035 | 
| 1976 | 0.00196969 | 
| 1975 | 0.00201397 | 
| 1974 | 0.000211989 | 
| 1973 | 0.000107892 | 
| 1972 | 7.62999E-5 | 
| 1971 | 0.000117403 | 
| 1970 | - | 
| 1969 | - | 
| 1968 | - | 
| 1967 | - | 
| 1966 | - | 
| 1965 | - | 
| 1964 | - | 
| 1963 | - | 
| 1962 | - | 
| 1961 | - | 
| 1960 | - |