Show data table
| 1980 | 904 | 1996 | 741 | 2012 | 693 |
| 1981 | 815 | 1997 | 734 | 2013 | 654 |
| 1982 | 741 | 1998 | 733 | 2014 | 568 |
| 1983 | 717 | 1999 | 732 | 2015 | 609 |
| 1984 | 496 | 2000 | 694 | 2016 | 644 |
| 1985 | 579 | 2001 | 671 | 2017 | 640 |
| 1986 | 434 | 2002 | 578 | 2018 | 693 |
| 1987 | 559 | 2003 | 534 | 2019 | 734 |
| 1988 | 623 | 2004 | 593 | 2020 | 717 |
| 1989 | 629 | 2005 | 616 | 2021 | 791 |
| 1990 | 709 | 2006 | 615 | 2022 | 805 |
| 1991 | 719 | 2007 | 725 | 2023 | 858 |
| 1992 | 745 | 2008 | 859 | 2024 | 862 |
| 1993 | 754 | 2009 | 775 | 2025 | 904 |
| 1994 | 721 | 2010 | 801 | 2026 | 953 |
| 1995 | 731 | 2011 | 711 | | |
Show data table
| 1980 | 1,555 | 1996 | 7,258 | 2012 | 22,216 |
| 1981 | 1,605 | 1997 | 7,489 | 2013 | 23,511 |
| 1982 | 1,696 | 1998 | 7,803 | 2014 | 23,705 |
| 1983 | 1,893 | 1999 | 8,339 | 2015 | 26,334 |
| 1984 | 1,855 | 2000 | 8,873 | 2016 | 28,195 |
| 1985 | 2,255 | 2001 | 10,519 | 2017 | 29,947 |
| 1986 | 3,007 | 2002 | 11,503 | 2018 | 33,524 |
| 1987 | 3,956 | 2003 | 15,243 | 2019 | 36,893 |
| 1988 | 4,183 | 2004 | 17,816 | 2020 | 36,990 |
| 1989 | 4,772 | 2005 | 17,616 | 2021 | 40,784 |
| 1990 | 5,587 | 2006 | 17,248 | 2022 | 45,663 |
| 1991 | 6,277 | 2007 | 18,026 | 2023 | 53,647 |
| 1992 | 6,625 | 2008 | 19,066 | 2024 | 58,434 |
| 1993 | 6,868 | 2009 | 20,646 | 2025 | 64,894 |
| 1994 | 6,910 | 2010 | 22,439 | 2026 | 70,154 |
| 1995 | 6,977 | 2011 | 20,936 | | |
Show data table
| 1980 | 27,999 | 1996 | 22,773 | 2012 | 23,534 |
| 1981 | 23,860 | 1997 | 22,094 | 2013 | 23,511 |
| 1982 | 27,785 | 1998 | 22,879 | 2014 | 22,530 |
| 1983 | 30,328 | 1999 | 23,676 | 2015 | 22,812 |
| 1984 | 26,916 | 2000 | 24,309 | 2016 | 22,652 |
| 1985 | 26,802 | 2001 | 25,021 | 2017 | 23,152 |
| 1986 | 26,358 | 2002 | 23,567 | 2018 | 24,233 |
| 1987 | 26,031 | 2003 | 24,518 | 2019 | 25,099 |
| 1988 | 25,434 | 2004 | 25,538 | 2020 | 24,626 |
| 1989 | 25,493 | 2005 | 24,253 | 2021 | 25,286 |
| 1990 | 25,886 | 2006 | 23,440 | 2022 | 26,016 |
| 1991 | 25,407 | 2007 | 23,463 | 2023 | 26,878 |
| 1992 | 24,839 | 2008 | 24,217 | 2024 | 27,672 |
| 1993 | 24,365 | 2009 | 25,091 | 2025 | 28,611 |
| 1994 | 22,749 | 2010 | 25,812 | 2026 | 29,334 |
| 1995 | 22,793 | 2011 | 23,031 | | |