Show data table
| 1980 | 5,866 | 1996 | 13,459 | 2012 | 21,557 |
| 1981 | 5,347 | 1997 | 13,071 | 2013 | 21,498 |
| 1982 | 5,546 | 1998 | 13,076 | 2014 | 21,413 |
| 1983 | 4,980 | 1999 | 13,370 | 2015 | 17,921 |
| 1984 | 4,827 | 2000 | 11,827 | 2016 | 17,901 |
| 1985 | 4,765 | 2001 | 12,186 | 2017 | 18,602 |
| 1986 | 5,592 | 2002 | 13,790 | 2018 | 19,867 |
| 1987 | 6,486 | 2003 | 18,036 | 2019 | 19,332 |
| 1988 | 7,526 | 2004 | 21,468 | 2020 | 17,839 |
| 1989 | 7,770 | 2005 | 22,101 | 2021 | 20,457 |
| 1990 | 9,545 | 2006 | 24,452 | 2022 | 20,854 |
| 1991 | 10,140 | 2007 | 28,476 | 2023 | 23,336 |
| 1992 | 11,078 | 2008 | 31,741 | 2024 | 24,688 |
| 1993 | 10,306 | 2009 | 29,426 | 2025 | 27,041 |
| 1994 | 10,968 | 2010 | 26,680 | 2026 | 29,696 |
| 1995 | 12,817 | 2011 | 25,458 | | |
Show data table
| 1980 | 732 | 1996 | 9,507 | 2012 | 16,768 |
| 1981 | 865 | 1997 | 10,461 | 2013 | 16,187 |
| 1982 | 1,082 | 1998 | 11,324 | 2014 | 16,114 |
| 1983 | 1,282 | 1999 | 11,972 | 2015 | 16,151 |
| 1984 | 1,587 | 2000 | 12,636 | 2016 | 16,177 |
| 1985 | 1,927 | 2001 | 13,606 | 2017 | 16,472 |
| 1986 | 2,296 | 2002 | 14,594 | 2018 | 16,815 |
| 1987 | 2,577 | 2003 | 15,949 | 2019 | 17,267 |
| 1988 | 3,126 | 2004 | 17,267 | 2020 | 15,631 |
| 1989 | 3,699 | 2005 | 17,755 | 2021 | 17,284 |
| 1990 | 4,437 | 2006 | 19,473 | 2022 | 19,787 |
| 1991 | 5,399 | 2007 | 20,776 | 2023 | 21,575 |
| 1992 | 6,184 | 2008 | 21,584 | 2024 | 22,816 |
| 1993 | 6,921 | 2009 | 21,120 | 2025 | 23,944 |
| 1994 | 7,804 | 2010 | 20,108 | 2026 | 25,183 |
| 1995 | 8,710 | 2011 | 18,293 | | |
Show data table
| 1980 | 13,737 | 1996 | 14,361 | 2012 | 15,992 |
| 1981 | 13,361 | 1997 | 14,822 | 2013 | 15,746 |
| 1982 | 13,133 | 1998 | 15,239 | 2014 | 15,983 |
| 1983 | 12,907 | 1999 | 15,565 | 2015 | 16,047 |
| 1984 | 13,098 | 2000 | 16,167 | 2016 | 16,152 |
| 1985 | 13,363 | 2001 | 16,825 | 2017 | 16,414 |
| 1986 | 13,392 | 2002 | 17,528 | 2018 | 16,795 |
| 1987 | 13,043 | 2003 | 18,497 | 2019 | 17,204 |
| 1988 | 13,560 | 2004 | 19,448 | 2020 | 15,631 |
| 1989 | 14,016 | 2005 | 19,626 | 2021 | 17,047 |
| 1990 | 13,930 | 2006 | 20,824 | 2022 | 18,362 |
| 1991 | 14,149 | 2007 | 21,493 | 2023 | 18,840 |
| 1992 | 14,118 | 2008 | 21,457 | 2024 | 19,303 |
| 1993 | 13,807 | 2009 | 20,511 | 2025 | 19,710 |
| 1994 | 14,004 | 2010 | 19,300 | 2026 | 20,095 |
| 1995 | 14,236 | 2011 | 17,387 | | |