Tabella dei dati
| 1980 | 1.466 | 1996 | 2.402 | 2012 | 4.297 |
| 1981 | 1.375 | 1997 | 2.310 | 2013 | 4.369 |
| 1982 | 1.295 | 1998 | 2.397 | 2014 | 4.459 |
| 1983 | 1.308 | 1999 | 2.492 | 2015 | 4.015 |
| 1984 | 1.272 | 2000 | 2.307 | 2016 | 3.848 |
| 1985 | 1.258 | 2001 | 2.345 | 2017 | 3.619 |
| 1986 | 1.298 | 2002 | 2.434 | 2018 | 3.628 |
| 1987 | 1.367 | 2003 | 2.859 | 2019 | 3.529 |
| 1988 | 1.396 | 2004 | 3.218 | 2020 | 3.549 |
| 1989 | 1.371 | 2005 | 3.301 | 2021 | 3.885 |
| 1990 | 1.698 | 2006 | 3.485 | 2022 | 3.680 |
| 1991 | 1.752 | 2007 | 3.909 | 2023 | 3.979 |
| 1992 | 2.051 | 2008 | 4.462 | 2024 | 4.181 |
| 1993 | 1.888 | 2009 | 4.281 | 2025 | 4.664 |
| 1994 | 1.983 | 2010 | 4.292 | 2026 | 4.893 |
| 1995 | 2.250 | 2011 | 4.421 | | |
Tabella dei dati
| 1980 | 594 | 1996 | 2.338 | 2012 | 6.712 |
| 1981 | 679 | 1997 | 2.554 | 2013 | 7.099 |
| 1982 | 765 | 1998 | 2.729 | 2014 | 7.570 |
| 1983 | 888 | 1999 | 2.956 | 2015 | 7.876 |
| 1984 | 989 | 2000 | 3.162 | 2016 | 8.265 |
| 1985 | 1.050 | 2001 | 3.374 | 2017 | 8.756 |
| 1986 | 1.031 | 2002 | 3.461 | 2018 | 9.603 |
| 1987 | 1.133 | 2003 | 3.684 | 2019 | 10.355 |
| 1988 | 1.197 | 2004 | 4.007 | 2020 | 9.980 |
| 1989 | 1.301 | 2005 | 4.283 | 2021 | 10.857 |
| 1990 | 1.491 | 2006 | 4.639 | 2022 | 11.421 |
| 1991 | 1.620 | 2007 | 5.009 | 2023 | 12.358 |
| 1992 | 1.814 | 2008 | 5.499 | 2024 | 13.013 |
| 1993 | 1.895 | 2009 | 5.779 | 2025 | 13.979 |
| 1994 | 2.006 | 2010 | 6.143 | 2026 | 14.969 |
| 1995 | 2.128 | 2011 | 6.223 | | |
Tabella dei dati
| 1980 | 3.666 | 1996 | 4.786 | 2012 | 7.650 |
| 1981 | 3.763 | 1997 | 4.992 | 2013 | 7.744 |
| 1982 | 3.655 | 1998 | 5.174 | 2014 | 7.889 |
| 1983 | 3.737 | 1999 | 5.420 | 2015 | 7.876 |
| 1984 | 3.906 | 2000 | 5.590 | 2016 | 7.877 |
| 1985 | 3.996 | 2001 | 5.740 | 2017 | 7.970 |
| 1986 | 3.790 | 2002 | 5.757 | 2018 | 8.098 |
| 1987 | 3.960 | 2003 | 5.968 | 2019 | 8.147 |
| 1988 | 3.896 | 2004 | 6.281 | 2020 | 7.355 |
| 1989 | 3.926 | 2005 | 6.443 | 2021 | 7.655 |
| 1990 | 4.078 | 2006 | 6.722 | 2022 | 7.814 |
| 1991 | 4.158 | 2007 | 7.107 | 2023 | 7.781 |
| 1992 | 4.397 | 2008 | 7.337 | 2024 | 7.859 |
| 1993 | 4.417 | 2009 | 7.484 | 2025 | 8.008 |
| 1994 | 4.496 | 2010 | 7.664 | 2026 | 8.133 |
| 1995 | 4.544 | 2011 | 7.424 | | |