Tabella dei dati
| 1980 | 2.015 | 1996 | 1.957 | 2012 | 5.682 |
| 1981 | 2.006 | 1997 | 2.165 | 2013 | 6.144 |
| 1982 | 1.947 | 1998 | 2.170 | 2014 | 6.422 |
| 1983 | 1.665 | 1999 | 1.536 | 2015 | 5.975 |
| 1984 | 1.725 | 2000 | 1.405 | 2016 | 5.908 |
| 1985 | 1.964 | 2001 | 1.824 | 2017 | 6.221 |
| 1986 | 1.405 | 2002 | 2.097 | 2018 | 6.293 |
| 1987 | 1.280 | 2003 | 2.358 | 2019 | 6.199 |
| 1988 | 1.186 | 2004 | 2.633 | 2020 | 5.470 |
| 1989 | 1.136 | 2005 | 2.961 | 2021 | 6.085 |
| 1990 | 1.127 | 2006 | 3.298 | 2022 | 6.556 |
| 1991 | 1.236 | 2007 | 3.534 | 2023 | 6.773 |
| 1992 | 1.322 | 2008 | 4.258 | 2024 | 6.891 |
| 1993 | 1.511 | 2009 | 4.111 | 2025 | 7.199 |
| 1994 | 1.786 | 2010 | 4.579 | 2026 | 7.575 |
| 1995 | 1.903 | 2011 | 5.210 | | |
Tabella dei dati
| 1980 | 2.015 | 1996 | 1.957 | 2012 | 5.682 |
| 1981 | 2.006 | 1997 | 2.165 | 2013 | 6.144 |
| 1982 | 1.947 | 1998 | 2.170 | 2014 | 6.422 |
| 1983 | 1.665 | 1999 | 1.536 | 2015 | 5.975 |
| 1984 | 1.725 | 2000 | 1.405 | 2016 | 5.908 |
| 1985 | 1.964 | 2001 | 1.824 | 2017 | 6.221 |
| 1986 | 1.405 | 2002 | 2.097 | 2018 | 6.293 |
| 1987 | 1.280 | 2003 | 2.358 | 2019 | 6.199 |
| 1988 | 1.186 | 2004 | 2.633 | 2020 | 5.470 |
| 1989 | 1.136 | 2005 | 2.961 | 2021 | 6.085 |
| 1990 | 1.127 | 2006 | 3.298 | 2022 | 6.556 |
| 1991 | 1.236 | 2007 | 3.534 | 2023 | 6.773 |
| 1992 | 1.322 | 2008 | 4.258 | 2024 | 6.891 |
| 1993 | 1.511 | 2009 | 4.111 | 2025 | 7.199 |
| 1994 | 1.786 | 2010 | 4.579 | 2026 | 7.575 |
| 1995 | 1.903 | 2011 | 5.210 | | |
Tabella dei dati
| 1980 | 4.242 | 1996 | 4.278 | 2012 | 5.851 |
| 1981 | 4.284 | 1997 | 4.393 | 2013 | 6.162 |
| 1982 | 4.216 | 1998 | 4.469 | 2014 | 6.312 |
| 1983 | 3.986 | 1999 | 4.196 | 2015 | 6.212 |
| 1984 | 4.043 | 2000 | 4.179 | 2016 | 6.071 |
| 1985 | 4.111 | 2001 | 4.286 | 2017 | 6.334 |
| 1986 | 4.131 | 2002 | 4.421 | 2018 | 6.293 |
| 1987 | 3.788 | 2003 | 4.468 | 2019 | 6.203 |
| 1988 | 4.079 | 2004 | 4.690 | 2020 | 5.575 |
| 1989 | 3.992 | 2005 | 4.856 | 2021 | 6.069 |
| 1990 | 4.017 | 2006 | 4.977 | 2022 | 6.389 |
| 1991 | 4.127 | 2007 | 4.980 | 2023 | 6.463 |
| 1992 | 4.181 | 2008 | 5.213 | 2024 | 6.290 |
| 1993 | 4.174 | 2009 | 5.178 | 2025 | 6.475 |
| 1994 | 4.264 | 2010 | 5.289 | 2026 | 6.587 |
| 1995 | 4.278 | 2011 | 5.633 | | |