Show data table
| 1980 | 12,889 | 1996 | 7,384 | 2012 | 14,976 |
| 1981 | 10,645 | 1997 | 7,444 | 2013 | 11,952 |
| 1982 | 10,135 | 1998 | 6,015 | 2014 | 8,928 |
| 1983 | 9,268 | 1999 | 7,115 | 2015 | 7,459 |
| 1984 | 8,319 | 2000 | 7,445 | 2016 | 7,526 |
| 1985 | 8,229 | 2001 | 6,515 | 2017 | 9,965 |
| 1986 | 6,453 | 2002 | 3,836 | 2018 | 11,196 |
| 1987 | 5,752 | 2003 | 4,809 | 2019 | 9,961 |
| 1988 | 5,732 | 2004 | 5,936 | 2020 | 6,656 |
| 1989 | 5,817 | 2005 | 8,338 | 2021 | 4,936 |
| 1990 | 7,115 | 2006 | 10,049 | 2022 | 5,991 |
| 1991 | 7,701 | 2007 | 11,174 | 2023 | 6,017 |
| 1992 | 7,642 | 2008 | 13,921 | 2024 | 6,686 |
| 1993 | 6,742 | 2009 | 9,544 | 2025 | 5,999 |
| 1994 | 6,163 | 2010 | 11,601 | 2026 | 6,962 |
| 1995 | 6,876 | 2011 | 7,594 | | |
Show data table
| 1980 | 3,816 | 1996 | 2,670 | 2012 | 18,894 |
| 1981 | 3,151 | 1997 | 2,840 | 2013 | 15,199 |
| 1982 | 3,000 | 1998 | 2,812 | 2014 | 11,358 |
| 1983 | 2,744 | 1999 | 3,300 | 2015 | 10,302 |
| 1984 | 2,463 | 2000 | 3,813 | 2016 | 10,464 |
| 1985 | 2,436 | 2001 | 3,942 | 2017 | 13,891 |
| 1986 | 2,033 | 2002 | 4,874 | 2018 | 15,283 |
| 1987 | 1,708 | 2003 | 6,174 | 2019 | 13,931 |
| 1988 | 1,639 | 2004 | 7,746 | 2020 | 9,235 |
| 1989 | 1,742 | 2005 | 10,910 | 2021 | 22,282 |
| 1990 | 2,013 | 2006 | 13,200 | 2022 | 28,815 |
| 1991 | 2,161 | 2007 | 14,072 | 2023 | 29,006 |
| 1992 | 2,248 | 2008 | 17,015 | 2024 | 32,389 |
| 1993 | 2,156 | 2009 | 11,973 | 2025 | 31,702 |
| 1994 | 2,260 | 2010 | 14,696 | 2026 | 44,181 |
| 1995 | 2,380 | 2011 | 9,296 | | |
Show data table
| 1980 | 45,802 | 1996 | 17,527 | 2012 | 18,911 |
| 1981 | 35,011 | 1997 | 16,805 | 2013 | 15,199 |
| 1982 | 33,941 | 1998 | 16,444 | 2014 | 11,473 |
| 1983 | 31,038 | 1999 | 16,170 | 2015 | 11,195 |
| 1984 | 27,280 | 2000 | 16,547 | 2016 | 10,861 |
| 1985 | 27,599 | 2001 | 16,672 | 2017 | 14,162 |
| 1986 | 23,550 | 2002 | 15,745 | 2018 | 15,041 |
| 1987 | 19,263 | 2003 | 17,926 | 2019 | 13,161 |
| 1988 | 18,368 | 2004 | 18,586 | 2020 | 9,160 |
| 1989 | 18,835 | 2005 | 20,131 | 2021 | 11,517 |
| 1990 | 20,735 | 2006 | 19,777 | 2022 | 10,394 |
| 1991 | 23,998 | 2007 | 20,582 | 2023 | 11,354 |
| 1992 | 22,434 | 2008 | 20,117 | 2024 | 11,709 |
| 1993 | 20,791 | 2009 | 18,835 | 2025 | 13,429 |
| 1994 | 21,065 | 2010 | 19,383 | 2026 | 14,185 |
| 1995 | 17,506 | 2011 | 9,860 | | |