Tableau de données
| 1980 | 1 959 | 1996 | 1 691 | 2012 | 4 840 |
| 1981 | 2 115 | 1997 | 1 724 | 2013 | 4 929 |
| 1982 | 2 164 | 1998 | 1 861 | 2014 | 4 688 |
| 1983 | 2 175 | 1999 | 1 877 | 2015 | 4 472 |
| 1984 | 2 101 | 2000 | 1 906 | 2016 | 4 391 |
| 1985 | 2 020 | 2001 | 1 983 | 2017 | 4 464 |
| 1986 | 2 472 | 2002 | 2 088 | 2018 | 4 541 |
| 1987 | 2 489 | 2003 | 2 165 | 2019 | 4 553 |
| 1988 | 2 227 | 2004 | 2 350 | 2020 | 4 418 |
| 1989 | 1 428 | 2005 | 2 555 | 2021 | 4 588 |
| 1990 | 1 329 | 2006 | 2 872 | 2022 | 4 761 |
| 1991 | 1 317 | 2007 | 3 064 | 2023 | 4 913 |
| 1992 | 1 543 | 2008 | 3 866 | 2024 | 5 081 |
| 1993 | 1 522 | 2009 | 4 050 | 2025 | 5 355 |
| 1994 | 1 632 | 2010 | 4 357 | 2026 | 5 601 |
| 1995 | 1 675 | 2011 | 4 591 | | |
Tableau de données
| 1980 | 584 | 1996 | 1 199 | 2012 | 3 431 |
| 1981 | 698 | 1997 | 1 222 | 2013 | 3 495 |
| 1982 | 762 | 1998 | 1 320 | 2014 | 3 324 |
| 1983 | 790 | 1999 | 1 331 | 2015 | 3 170 |
| 1984 | 807 | 2000 | 1 351 | 2016 | 3 113 |
| 1985 | 796 | 2001 | 1 406 | 2017 | 3 165 |
| 1986 | 865 | 2002 | 1 480 | 2018 | 3 220 |
| 1987 | 843 | 2003 | 1 535 | 2019 | 3 228 |
| 1988 | 827 | 2004 | 1 666 | 2020 | 3 132 |
| 1989 | 814 | 2005 | 1 811 | 2021 | 3 253 |
| 1990 | 882 | 2006 | 2 036 | 2022 | 3 376 |
| 1991 | 897 | 2007 | 2 172 | 2023 | 3 483 |
| 1992 | 1 049 | 2008 | 2 745 | 2024 | 3 602 |
| 1993 | 1 068 | 2009 | 2 876 | 2025 | 3 797 |
| 1994 | 1 148 | 2010 | 3 094 | 2026 | 3 971 |
| 1995 | 1 187 | 2011 | 3 259 | | |
Tableau de données
| 1980 | 3 706 | 1996 | 2 945 | 2012 | 4 303 |
| 1981 | 4 095 | 1997 | 2 975 | 2013 | 4 143 |
| 1982 | 4 155 | 1998 | 3 000 | 2014 | 3 804 |
| 1983 | 4 030 | 1999 | 3 030 | 2015 | 3 557 |
| 1984 | 4 064 | 2000 | 3 092 | 2016 | 3 460 |
| 1985 | 3 843 | 2001 | 3 179 | 2017 | 3 460 |
| 1986 | 3 889 | 2002 | 3 316 | 2018 | 3 442 |
| 1987 | 3 816 | 2003 | 3 371 | 2019 | 3 427 |
| 1988 | 3 749 | 2004 | 3 559 | 2020 | 3 336 |
| 1989 | 3 194 | 2005 | 3 774 | 2021 | 3 398 |
| 1990 | 2 989 | 2006 | 3 827 | 2022 | 3 433 |
| 1991 | 2 678 | 2007 | 3 893 | 2023 | 3 483 |
| 1992 | 2 967 | 2008 | 4 115 | 2024 | 3 537 |
| 1993 | 2 937 | 2009 | 4 231 | 2025 | 3 642 |
| 1994 | 2 938 | 2010 | 4 248 | 2026 | 3 720 |
| 1995 | 2 988 | 2011 | 4 262 | | |