Show data table
| 1980 | 1,935 | 1996 | 9,930 | 2012 | 15,724 |
| 1981 | 2,200 | 1997 | 10,443 | 2013 | 15,051 |
| 1982 | 2,479 | 1998 | 10,932 | 2014 | 15,423 |
| 1983 | 2,794 | 1999 | 11,286 | 2015 | 15,839 |
| 1984 | 3,260 | 2000 | 11,919 | 2016 | 16,164 |
| 1985 | 3,849 | 2001 | 11,417 | 2017 | 16,401 |
| 1986 | 4,731 | 2002 | 11,564 | 2018 | 17,471 |
| 1987 | 5,612 | 2003 | 12,091 | 2019 | 17,899 |
| 1988 | 6,757 | 2004 | 12,959 | 2020 | 14,420 |
| 1989 | 7,545 | 2005 | 14,297 | 2021 | 16,128 |
| 1990 | 7,943 | 2006 | 16,124 | 2022 | 18,429 |
| 1991 | 8,300 | 2007 | 18,197 | 2023 | 20,100 |
| 1992 | 8,503 | 2008 | 18,843 | 2024 | 20,888 |
| 1993 | 8,957 | 2009 | 16,580 | 2025 | 21,676 |
| 1994 | 9,647 | 2010 | 15,343 | 2026 | 22,448 |
| 1995 | 9,258 | 2011 | 15,045 | | |
Show data table
| 1980 | 5,225 | 1996 | 26,812 | 2012 | 42,455 |
| 1981 | 5,940 | 1997 | 28,197 | 2013 | 40,637 |
| 1982 | 6,695 | 1998 | 29,516 | 2014 | 41,643 |
| 1983 | 7,544 | 1999 | 30,473 | 2015 | 42,766 |
| 1984 | 8,802 | 2000 | 32,180 | 2016 | 43,642 |
| 1985 | 10,393 | 2001 | 30,825 | 2017 | 44,284 |
| 1986 | 12,773 | 2002 | 31,222 | 2018 | 47,171 |
| 1987 | 15,153 | 2003 | 32,646 | 2019 | 48,328 |
| 1988 | 18,243 | 2004 | 34,990 | 2020 | 38,934 |
| 1989 | 20,371 | 2005 | 38,603 | 2021 | 43,546 |
| 1990 | 21,446 | 2006 | 43,534 | 2022 | 49,758 |
| 1991 | 22,410 | 2007 | 49,133 | 2023 | 54,269 |
| 1992 | 22,958 | 2008 | 50,877 | 2024 | 56,397 |
| 1993 | 24,183 | 2009 | 44,767 | 2025 | 58,524 |
| 1994 | 26,048 | 2010 | 41,426 | 2026 | 60,608 |
| 1995 | 24,996 | 2011 | 40,622 | | |
Show data table
| 1980 | 18,876 | 1996 | 39,297 | 2012 | 43,960 |
| 1981 | 19,751 | 1997 | 40,307 | 2013 | 43,063 |
| 1982 | 19,963 | 1998 | 41,091 | 2014 | 43,359 |
| 1983 | 21,341 | 1999 | 41,586 | 2015 | 43,314 |
| 1984 | 23,895 | 2000 | 43,252 | 2016 | 44,413 |
| 1985 | 26,159 | 2001 | 40,593 | 2017 | 44,923 |
| 1986 | 29,680 | 2002 | 40,598 | 2018 | 47,171 |
| 1987 | 32,206 | 2003 | 42,655 | 2019 | 47,986 |
| 1988 | 34,397 | 2004 | 44,668 | 2020 | 38,359 |
| 1989 | 36,538 | 2005 | 47,078 | 2021 | 40,891 |
| 1990 | 37,675 | 2006 | 52,504 | 2022 | 43,734 |
| 1991 | 38,183 | 2007 | 56,776 | 2023 | 44,792 |
| 1992 | 38,003 | 2008 | 56,132 | 2024 | 45,341 |
| 1993 | 39,125 | 2009 | 48,849 | 2025 | 46,119 |
| 1994 | 40,683 | 2010 | 44,488 | 2026 | 46,708 |
| 1995 | 37,885 | 2011 | 43,135 | | |