Tableau de données
| 1981 | 1 113 | 1997 | 4 254 | 2013 | 7 153 |
| 1982 | 1 218 | 1998 | 4 527 | 2014 | 7 389 |
| 1983 | 1 347 | 1999 | 4 658 | 2015 | 7 596 |
| 1984 | 1 495 | 2000 | 4 681 | 2016 | 8 089 |
| 1985 | 1 643 | 2001 | 4 775 | 2017 | 7 507 |
| 1986 | 1 865 | 2002 | 4 680 | 2018 | 7 981 |
| 1987 | 2 103 | 2003 | 4 826 | 2019 | 8 466 |
| 1988 | 2 378 | 2004 | 5 165 | 2020 | 6 872 |
| 1989 | 2 582 | 2005 | 5 127 | 2021 | 7 530 |
| 1990 | 2 820 | 2006 | 5 497 | 2022 | 8 193 |
| 1991 | 3 087 | 2007 | 5 940 | 2023 | 8 853 |
| 1992 | 3 288 | 2008 | 6 463 | 2024 | 9 204 |
| 1993 | 3 449 | 2009 | 6 904 | 2025 | 9 895 |
| 1994 | 3 713 | 2010 | 6 981 | 2026 | 10 459 |
| 1995 | 3 855 | 2011 | 7 160 | | |
| 1996 | 4 104 | 2012 | 6 995 | | |
Tableau de données
| 1981 | 3 004 | 1997 | 11 487 | 2013 | 19 314 |
| 1982 | 3 287 | 1998 | 12 222 | 2014 | 19 949 |
| 1983 | 3 636 | 1999 | 12 575 | 2015 | 20 510 |
| 1984 | 4 037 | 2000 | 12 639 | 2016 | 21 841 |
| 1985 | 4 435 | 2001 | 12 893 | 2017 | 20 270 |
| 1986 | 5 035 | 2002 | 12 637 | 2018 | 21 549 |
| 1987 | 5 678 | 2003 | 13 030 | 2019 | 22 859 |
| 1988 | 6 420 | 2004 | 13 946 | 2020 | 18 555 |
| 1989 | 6 972 | 2005 | 13 844 | 2021 | 20 332 |
| 1990 | 7 613 | 2006 | 14 843 | 2022 | 22 121 |
| 1991 | 8 336 | 2007 | 16 038 | 2023 | 23 902 |
| 1992 | 8 877 | 2008 | 17 451 | 2024 | 24 850 |
| 1993 | 9 311 | 2009 | 18 641 | 2025 | 26 715 |
| 1994 | 10 025 | 2010 | 18 849 | 2026 | 28 239 |
| 1995 | 10 409 | 2011 | 19 333 | | |
| 1996 | 11 082 | 2012 | 18 886 | | |
Tableau de données
| 1981 | 7 148 | 1997 | 12 381 | 2013 | 16 757 |
| 1982 | 7 470 | 1998 | 12 847 | 2014 | 17 360 |
| 1983 | 7 689 | 1999 | 12 892 | 2015 | 16 708 |
| 1984 | 8 040 | 2000 | 13 192 | 2016 | 17 158 |
| 1985 | 8 184 | 2001 | 13 183 | 2017 | 16 429 |
| 1986 | 8 794 | 2002 | 12 819 | 2018 | 17 002 |
| 1987 | 9 383 | 2003 | 13 643 | 2019 | 17 262 |
| 1988 | 10 153 | 2004 | 14 069 | 2020 | 14 172 |
| 1989 | 10 170 | 2005 | 14 172 | 2021 | 15 074 |
| 1990 | 10 760 | 2006 | 14 843 | 2022 | 15 836 |
| 1991 | 10 944 | 2007 | 15 797 | 2023 | 16 500 |
| 1992 | 11 165 | 2008 | 16 934 | 2024 | 16 999 |
| 1993 | 11 406 | 2009 | 16 747 | 2025 | 17 682 |
| 1994 | 11 409 | 2010 | 16 884 | 2026 | 18 146 |
| 1995 | 11 753 | 2011 | 17 031 | | |
| 1996 | 12 117 | 2012 | 16 970 | | |