Show data table
| 1980 | 6,119 | 1996 | 16,113 | 2012 | 28,511 |
| 1981 | 5,374 | 1997 | 14,771 | 2013 | 29,297 |
| 1982 | 5,164 | 1998 | 15,443 | 2014 | 29,738 |
| 1983 | 4,495 | 1999 | 15,748 | 2015 | 25,987 |
| 1984 | 4,465 | 2000 | 14,714 | 2016 | 26,726 |
| 1985 | 4,688 | 2001 | 15,299 | 2017 | 28,326 |
| 1986 | 6,468 | 2002 | 16,937 | 2018 | 30,527 |
| 1987 | 8,175 | 2003 | 21,335 | 2019 | 29,664 |
| 1988 | 9,584 | 2004 | 24,698 | 2020 | 27,188 |
| 1989 | 10,550 | 2005 | 26,251 | 2021 | 30,792 |
| 1990 | 13,673 | 2006 | 28,177 | 2022 | 30,155 |
| 1991 | 14,676 | 2007 | 32,340 | 2023 | 33,313 |
| 1992 | 15,989 | 2008 | 35,380 | 2024 | 35,151 |
| 1993 | 13,390 | 2009 | 32,159 | 2025 | 38,290 |
| 1994 | 13,400 | 2010 | 30,624 | 2026 | 41,563 |
| 1995 | 15,453 | 2011 | 31,768 | | |
Show data table
| 1980 | 2,630 | 1996 | 12,263 | 2012 | 22,177 |
| 1981 | 2,970 | 1997 | 12,981 | 2013 | 22,059 |
| 1982 | 3,394 | 1998 | 13,848 | 2014 | 22,379 |
| 1983 | 3,856 | 1999 | 14,761 | 2015 | 23,420 |
| 1984 | 4,304 | 2000 | 15,924 | 2016 | 24,151 |
| 1985 | 4,780 | 2001 | 17,082 | 2017 | 25,084 |
| 1986 | 5,435 | 2002 | 17,925 | 2018 | 25,838 |
| 1987 | 6,052 | 2003 | 18,866 | 2019 | 26,495 |
| 1988 | 6,699 | 2004 | 19,864 | 2020 | 23,823 |
| 1989 | 7,499 | 2005 | 21,089 | 2021 | 26,017 |
| 1990 | 8,345 | 2006 | 22,440 | 2022 | 28,613 |
| 1991 | 9,135 | 2007 | 23,595 | 2023 | 30,800 |
| 1992 | 9,805 | 2008 | 24,058 | 2024 | 32,486 |
| 1993 | 10,187 | 2009 | 23,082 | 2025 | 33,905 |
| 1994 | 10,771 | 2010 | 23,081 | 2026 | 35,246 |
| 1995 | 11,570 | 2011 | 22,826 | | |
Show data table
| 1980 | 13,829 | 1996 | 19,532 | 2012 | 23,576 |
| 1981 | 13,643 | 1997 | 20,233 | 2013 | 23,348 |
| 1982 | 13,739 | 1998 | 21,064 | 2014 | 23,739 |
| 1983 | 13,901 | 1999 | 21,950 | 2015 | 24,706 |
| 1984 | 14,080 | 2000 | 22,866 | 2016 | 25,383 |
| 1985 | 14,362 | 2001 | 23,548 | 2017 | 26,036 |
| 1986 | 14,812 | 2002 | 23,738 | 2018 | 26,504 |
| 1987 | 15,622 | 2003 | 24,023 | 2019 | 26,796 |
| 1988 | 16,412 | 2004 | 24,343 | 2020 | 23,823 |
| 1989 | 17,199 | 2005 | 24,798 | 2021 | 25,369 |
| 1990 | 17,830 | 2006 | 25,355 | 2022 | 26,649 |
| 1991 | 18,231 | 2007 | 25,742 | 2023 | 27,000 |
| 1992 | 18,326 | 2008 | 25,620 | 2024 | 27,677 |
| 1993 | 18,029 | 2009 | 24,523 | 2025 | 28,075 |
| 1994 | 18,400 | 2010 | 24,451 | 2026 | 28,323 |
| 1995 | 19,114 | 2011 | 24,217 | | |