| 年份 | 意大利 |
|---|---|
| 2023 | - |
| 2022 | 9.35541 |
| 2021 | 9.24803 |
| 2020 | 9.11342 |
| 2019 | 8.92401 |
| 2018 | 8.71106 |
| 2017 | 8.5442 |
| 2016 | 8.40895 |
| 2015 | 8.27325 |
| 2014 | 8.11559 |
| 2013 | 7.94054 |
| 2012 | 7.79735 |
| 2011 | 7.65072 |
| 2010 | 7.45644 |
| 2009 | 7.2697 |
| 2008 | 7.11981 |
| 2007 | 6.96582 |
| 2006 | 6.77286 |
| 2005 | 6.55765 |
| 2004 | 6.33481 |
| 2003 | 6.12433 |
| 2002 | 5.90435 |
| 2001 | 5.63635 |
| 2000 | 5.3581 |
| 1999 | 5.22737 |
| 1998 | 5.30676 |
| 1997 | 5.43493 |
| 1996 | 5.48335 |
| 1995 | 5.38804 |
| 1994 | 5.19795 |
| 1993 | 4.98241 |
| 1992 | 4.7506 |
| 1991 | 4.53523 |
| 1990 | 4.32798 |
| 1989 | 4.11201 |
| 1988 | 3.90693 |
| 1987 | 3.72242 |
| 1986 | 3.56276 |
| 1985 | 3.42163 |
| 1984 | 3.28555 |
| 1983 | 3.17633 |
| 1982 | 3.07462 |
| 1981 | 2.96658 |
| 1980 | 2.90657 |
| 1979 | 2.84041 |
| 1978 | 2.74471 |
| 1977 | 2.65726 |
| 1976 | 2.57631 |
| 1975 | 2.50984 |
| 1974 | 2.44794 |
| 1973 | 2.38535 |
| 1972 | 2.31858 |
| 1971 | 2.2419 |
| 1970 | 2.17171 |
| 1969 | 2.09683 |
| 1968 | 2.02779 |
| 1967 | 1.9657 |
| 1966 | 1.89711 |
| 1965 | 1.83819 |
| 1964 | 1.77049 |
| 1963 | 1.70747 |
| 1962 | 1.66141 |
| 1961 | 1.60035 |
| 1960 | 1.54855 |