| 年份 | 意大利 |
|---|---|
| 2023 | - |
| 2022 | 3.76026 |
| 2021 | 3.84546 |
| 2020 | 3.94808 |
| 2019 | 4.06555 |
| 2018 | 4.1911 |
| 2017 | 4.32132 |
| 2016 | 4.45123 |
| 2015 | 4.57993 |
| 2014 | 4.70342 |
| 2013 | 4.81409 |
| 2012 | 4.89559 |
| 2011 | 4.95981 |
| 2010 | 5.01123 |
| 2009 | 5.03661 |
| 2008 | 5.03909 |
| 2007 | 5.02576 |
| 2006 | 5.00391 |
| 2005 | 4.98038 |
| 2004 | 4.95417 |
| 2003 | 4.92466 |
| 2002 | 4.88994 |
| 2001 | 4.88126 |
| 2000 | 4.89436 |
| 1999 | 4.89841 |
| 1998 | 4.92574 |
| 1997 | 4.98699 |
| 1996 | 5.02469 |
| 1995 | 5.02997 |
| 1994 | 5.0298 |
| 1993 | 5.00566 |
| 1992 | 4.93019 |
| 1991 | 5.0288 |
| 1990 | 5.20362 |
| 1989 | 5.25293 |
| 1988 | 5.31809 |
| 1987 | 5.41786 |
| 1986 | 5.54496 |
| 1985 | 5.65637 |
| 1984 | 5.77471 |
| 1983 | 5.93184 |
| 1982 | 6.11754 |
| 1981 | 6.38236 |
| 1980 | 6.72871 |
| 1979 | 7.09593 |
| 1978 | 7.446 |
| 1977 | 7.7572 |
| 1976 | 8.02675 |
| 1975 | 8.22372 |
| 1974 | 8.35587 |
| 1973 | 8.47198 |
| 1972 | 8.5868 |
| 1971 | 8.74799 |
| 1970 | 8.97297 |
| 1969 | 9.19547 |
| 1968 | 9.36236 |
| 1967 | 9.44763 |
| 1966 | 9.44761 |
| 1965 | 9.38928 |
| 1964 | 9.25959 |
| 1963 | 9.09585 |
| 1962 | 8.96953 |
| 1961 | 8.89579 |
| 1960 | 8.86408 |