Tableau de données
| 1980 | 12 889 | 1996 | 7 384 | 2012 | 14 976 |
| 1981 | 10 645 | 1997 | 7 444 | 2013 | 11 952 |
| 1982 | 10 135 | 1998 | 6 015 | 2014 | 8 928 |
| 1983 | 9 268 | 1999 | 7 115 | 2015 | 7 459 |
| 1984 | 8 319 | 2000 | 7 445 | 2016 | 7 526 |
| 1985 | 8 229 | 2001 | 6 515 | 2017 | 9 965 |
| 1986 | 6 453 | 2002 | 3 836 | 2018 | 11 196 |
| 1987 | 5 752 | 2003 | 4 809 | 2019 | 9 961 |
| 1988 | 5 732 | 2004 | 5 936 | 2020 | 6 656 |
| 1989 | 5 817 | 2005 | 8 338 | 2021 | 4 936 |
| 1990 | 7 115 | 2006 | 10 049 | 2022 | 5 991 |
| 1991 | 7 701 | 2007 | 11 174 | 2023 | 6 017 |
| 1992 | 7 642 | 2008 | 13 921 | 2024 | 6 686 |
| 1993 | 6 742 | 2009 | 9 544 | 2025 | 5 999 |
| 1994 | 6 163 | 2010 | 11 601 | 2026 | 6 962 |
| 1995 | 6 876 | 2011 | 7 594 | | |
Tableau de données
| 1980 | 3 816 | 1996 | 2 670 | 2012 | 18 894 |
| 1981 | 3 151 | 1997 | 2 840 | 2013 | 15 199 |
| 1982 | 3 000 | 1998 | 2 812 | 2014 | 11 358 |
| 1983 | 2 744 | 1999 | 3 300 | 2015 | 10 302 |
| 1984 | 2 463 | 2000 | 3 813 | 2016 | 10 464 |
| 1985 | 2 436 | 2001 | 3 942 | 2017 | 13 891 |
| 1986 | 2 033 | 2002 | 4 874 | 2018 | 15 283 |
| 1987 | 1 708 | 2003 | 6 174 | 2019 | 13 931 |
| 1988 | 1 639 | 2004 | 7 746 | 2020 | 9 235 |
| 1989 | 1 742 | 2005 | 10 910 | 2021 | 22 282 |
| 1990 | 2 013 | 2006 | 13 200 | 2022 | 28 815 |
| 1991 | 2 161 | 2007 | 14 072 | 2023 | 29 006 |
| 1992 | 2 248 | 2008 | 17 015 | 2024 | 32 389 |
| 1993 | 2 156 | 2009 | 11 973 | 2025 | 31 702 |
| 1994 | 2 260 | 2010 | 14 696 | 2026 | 44 181 |
| 1995 | 2 380 | 2011 | 9 296 | | |
Tableau de données
| 1980 | 45 802 | 1996 | 17 527 | 2012 | 18 911 |
| 1981 | 35 011 | 1997 | 16 805 | 2013 | 15 199 |
| 1982 | 33 941 | 1998 | 16 444 | 2014 | 11 473 |
| 1983 | 31 038 | 1999 | 16 170 | 2015 | 11 195 |
| 1984 | 27 280 | 2000 | 16 547 | 2016 | 10 861 |
| 1985 | 27 599 | 2001 | 16 672 | 2017 | 14 162 |
| 1986 | 23 550 | 2002 | 15 745 | 2018 | 15 041 |
| 1987 | 19 263 | 2003 | 17 926 | 2019 | 13 161 |
| 1988 | 18 368 | 2004 | 18 586 | 2020 | 9 160 |
| 1989 | 18 835 | 2005 | 20 131 | 2021 | 11 517 |
| 1990 | 20 735 | 2006 | 19 777 | 2022 | 10 394 |
| 1991 | 23 998 | 2007 | 20 582 | 2023 | 11 354 |
| 1992 | 22 434 | 2008 | 20 117 | 2024 | 11 709 |
| 1993 | 20 791 | 2009 | 18 835 | 2025 | 13 429 |
| 1994 | 21 065 | 2010 | 19 383 | 2026 | 14 185 |
| 1995 | 17 506 | 2011 | 9 860 | | |