Show data table
| 1980 | 3,339 | 1996 | 12,188 | 2012 | 20,574 |
| 1981 | 3,297 | 1997 | 11,595 | 2013 | 21,642 |
| 1982 | 3,095 | 1998 | 12,217 | 2014 | 22,087 |
| 1983 | 2,839 | 1999 | 12,488 | 2015 | 19,174 |
| 1984 | 2,596 | 2000 | 11,531 | 2016 | 19,915 |
| 1985 | 2,717 | 2001 | 11,735 | 2017 | 21,352 |
| 1986 | 3,775 | 2002 | 12,928 | 2018 | 23,436 |
| 1987 | 4,724 | 2003 | 15,794 | 2019 | 23,192 |
| 1988 | 5,533 | 2004 | 18,056 | 2020 | 22,093 |
| 1989 | 5,978 | 2005 | 18,791 | 2021 | 24,619 |
| 1990 | 7,957 | 2006 | 19,840 | 2022 | 24,559 |
| 1991 | 9,026 | 2007 | 22,814 | 2023 | 27,643 |
| 1992 | 10,863 | 2008 | 24,946 | 2024 | 29,319 |
| 1993 | 9,548 | 2009 | 23,126 | 2025 | 32,166 |
| 1994 | 9,978 | 2010 | 22,570 | 2026 | 35,434 |
| 1995 | 11,787 | 2011 | 23,205 | | |
Show data table
| 1980 | 833 | 1996 | 9,375 | 2012 | 16,003 |
| 1981 | 1,007 | 1997 | 10,123 | 2013 | 16,295 |
| 1982 | 1,211 | 1998 | 10,960 | 2014 | 16,621 |
| 1983 | 1,540 | 1999 | 11,705 | 2015 | 17,279 |
| 1984 | 1,883 | 2000 | 12,480 | 2016 | 17,996 |
| 1985 | 2,306 | 2001 | 13,102 | 2017 | 18,908 |
| 1986 | 2,815 | 2002 | 13,681 | 2018 | 19,836 |
| 1987 | 3,318 | 2003 | 13,966 | 2019 | 20,715 |
| 1988 | 3,965 | 2004 | 14,522 | 2020 | 19,358 |
| 1989 | 4,691 | 2005 | 15,095 | 2021 | 20,801 |
| 1990 | 5,645 | 2006 | 15,801 | 2022 | 23,303 |
| 1991 | 6,487 | 2007 | 16,645 | 2023 | 25,558 |
| 1992 | 7,299 | 2008 | 16,963 | 2024 | 27,096 |
| 1993 | 7,624 | 2009 | 16,598 | 2025 | 28,482 |
| 1994 | 8,244 | 2010 | 17,011 | 2026 | 30,048 |
| 1995 | 8,880 | 2011 | 16,674 | | |
Show data table
| 1980 | 10,274 | 1996 | 16,419 | 2012 | 18,781 |
| 1981 | 10,544 | 1997 | 17,065 | 2013 | 18,698 |
| 1982 | 10,707 | 1998 | 17,795 | 2014 | 18,935 |
| 1983 | 10,761 | 1999 | 18,386 | 2015 | 19,306 |
| 1984 | 10,608 | 2000 | 18,954 | 2016 | 19,741 |
| 1985 | 10,752 | 2001 | 19,187 | 2017 | 20,428 |
| 1986 | 11,099 | 2002 | 19,229 | 2018 | 21,041 |
| 1987 | 11,949 | 2003 | 18,979 | 2019 | 21,578 |
| 1988 | 12,600 | 2004 | 19,272 | 2020 | 19,749 |
| 1989 | 13,458 | 2005 | 19,387 | 2021 | 20,801 |
| 1990 | 14,547 | 2006 | 19,666 | 2022 | 22,124 |
| 1991 | 15,072 | 2007 | 20,120 | 2023 | 22,575 |
| 1992 | 15,556 | 2008 | 20,155 | 2024 | 22,823 |
| 1993 | 15,430 | 2009 | 19,507 | 2025 | 23,087 |
| 1994 | 15,618 | 2010 | 19,837 | 2026 | 23,592 |
| 1995 | 15,923 | 2011 | 19,494 | | |