| 年份 | 意大利 |
|---|---|
| 2023 | - |
| 2022 | 19.5702 |
| 2021 | 19.8717 |
| 2020 | 20.1631 |
| 2019 | 20.4435 |
| 2018 | 20.7186 |
| 2017 | 20.9714 |
| 2016 | 21.1893 |
| 2015 | 21.3783 |
| 2014 | 21.5029 |
| 2013 | 21.5579 |
| 2012 | 21.5581 |
| 2011 | 21.5219 |
| 2010 | 21.5061 |
| 2009 | 21.4842 |
| 2008 | 21.433 |
| 2007 | 21.4267 |
| 2006 | 21.4172 |
| 2005 | 21.3445 |
| 2004 | 21.2693 |
| 2003 | 21.2639 |
| 2002 | 21.2336 |
| 2001 | 21.1806 |
| 2000 | 21.1777 |
| 1999 | 21.1712 |
| 1998 | 21.1882 |
| 1997 | 21.2401 |
| 1996 | 21.3113 |
| 1995 | 21.4146 |
| 1994 | 21.5851 |
| 1993 | 21.8409 |
| 1992 | 22.1425 |
| 1991 | 23.0285 |
| 1990 | 24.1448 |
| 1989 | 24.9647 |
| 1988 | 25.842 |
| 1987 | 26.7495 |
| 1986 | 27.7261 |
| 1985 | 28.6756 |
| 1984 | 29.692 |
| 1983 | 30.841 |
| 1982 | 32.0002 |
| 1981 | 33.2128 |
| 1980 | 34.4654 |
| 1979 | 35.6261 |
| 1978 | 36.5664 |
| 1977 | 37.2817 |
| 1976 | 37.8316 |
| 1975 | 38.2616 |
| 1974 | 38.5139 |
| 1973 | 38.5726 |
| 1972 | 38.5426 |
| 1971 | 38.5052 |
| 1970 | 38.4581 |
| 1969 | 38.3038 |
| 1968 | 38.0684 |
| 1967 | 37.8071 |
| 1966 | 37.5535 |
| 1965 | 37.3884 |
| 1964 | 37.3056 |
| 1963 | 37.4282 |
| 1962 | 37.7895 |
| 1961 | 38.1599 |
| 1960 | 38.1963 |