| 年份 | 意大利 |
|---|---|
| 2023 | - |
| 2022 | 5.4224 |
| 2021 | 5.50163 |
| 2020 | 5.44947 |
| 2019 | 5.25629 |
| 2018 | 5.04566 |
| 2017 | 4.82871 |
| 2016 | 4.6222 |
| 2015 | 4.59727 |
| 2014 | 4.73419 |
| 2013 | 4.84318 |
| 2012 | 4.91481 |
| 2011 | 4.91996 |
| 2010 | 4.85009 |
| 2009 | 4.73741 |
| 2008 | 4.62712 |
| 2007 | 4.55372 |
| 2006 | 4.52967 |
| 2005 | 4.53158 |
| 2004 | 4.52245 |
| 2003 | 4.50195 |
| 2002 | 4.48259 |
| 2001 | 4.43771 |
| 2000 | 4.34996 |
| 1999 | 4.27731 |
| 1998 | 4.24374 |
| 1997 | 4.20088 |
| 1996 | 4.15075 |
| 1995 | 4.10754 |
| 1994 | 3.94197 |
| 1993 | 3.59322 |
| 1992 | 3.20538 |
| 1991 | 2.88311 |
| 1990 | 2.67183 |
| 1989 | 2.69125 |
| 1988 | 2.95398 |
| 1987 | 3.2863 |
| 1986 | 3.53111 |
| 1985 | 3.62914 |
| 1984 | 3.62337 |
| 1983 | 3.57132 |
| 1982 | 3.47592 |
| 1981 | 3.37417 |
| 1980 | 3.3129 |
| 1979 | 3.24009 |
| 1978 | 3.14647 |
| 1977 | 3.07532 |
| 1976 | 3.02951 |
| 1975 | 2.99844 |
| 1974 | 2.9568 |
| 1973 | 2.89738 |
| 1972 | 2.82649 |
| 1971 | 2.71757 |
| 1970 | 2.57821 |
| 1969 | 2.47715 |
| 1968 | 2.43473 |
| 1967 | 2.41021 |
| 1966 | 2.39926 |
| 1965 | 2.40601 |
| 1964 | 2.42684 |
| 1963 | 2.44699 |
| 1962 | 2.45686 |
| 1961 | 2.45045 |
| 1960 | 2.441 |