Show data table
| 1980 | 8,512 | 1996 | 23,136 | 2012 | 34,926 |
| 1981 | 7,707 | 1997 | 21,913 | 2013 | 35,723 |
| 1982 | 7,610 | 1998 | 22,395 | 2014 | 36,023 |
| 1983 | 7,892 | 1999 | 22,075 | 2015 | 30,610 |
| 1984 | 7,797 | 2000 | 20,206 | 2016 | 31,358 |
| 1985 | 8,049 | 2001 | 20,576 | 2017 | 32,797 |
| 1986 | 11,397 | 2002 | 22,474 | 2018 | 35,043 |
| 1987 | 14,306 | 2003 | 27,673 | 2019 | 33,767 |
| 1988 | 15,846 | 2004 | 31,452 | 2020 | 31,957 |
| 1989 | 16,469 | 2005 | 32,148 | 2021 | 36,813 |
| 1990 | 20,537 | 2006 | 33,603 | 2022 | 35,672 |
| 1991 | 21,674 | 2007 | 37,989 | 2023 | 39,282 |
| 1992 | 22,988 | 2008 | 40,969 | 2024 | 40,405 |
| 1993 | 18,470 | 2009 | 37,143 | 2025 | 43,270 |
| 1994 | 19,043 | 2010 | 35,964 | 2026 | 46,505 |
| 1995 | 20,723 | 2011 | 38,476 | | |
Show data table
| 1980 | 3,758 | 1996 | 18,432 | 2012 | 27,167 |
| 1981 | 4,495 | 1997 | 19,254 | 2013 | 26,897 |
| 1982 | 5,301 | 1998 | 20,056 | 2014 | 27,108 |
| 1983 | 6,168 | 1999 | 20,692 | 2015 | 27,585 |
| 1984 | 7,052 | 2000 | 21,867 | 2016 | 28,337 |
| 1985 | 7,911 | 2001 | 22,974 | 2017 | 29,043 |
| 1986 | 8,745 | 2002 | 23,784 | 2018 | 29,660 |
| 1987 | 9,568 | 2003 | 24,471 | 2019 | 30,160 |
| 1988 | 10,629 | 2004 | 25,296 | 2020 | 28,001 |
| 1989 | 11,662 | 2005 | 25,826 | 2021 | 31,104 |
| 1990 | 12,684 | 2006 | 26,761 | 2022 | 33,848 |
| 1991 | 13,844 | 2007 | 27,717 | 2023 | 36,319 |
| 1992 | 14,562 | 2008 | 27,859 | 2024 | 37,341 |
| 1993 | 14,986 | 2009 | 26,659 | 2025 | 38,315 |
| 1994 | 15,844 | 2010 | 27,106 | 2026 | 39,437 |
| 1995 | 17,425 | 2011 | 27,646 | | |
Show data table
| 1980 | 20,095 | 1996 | 28,415 | 2012 | 29,553 |
| 1981 | 21,011 | 1997 | 28,946 | 2013 | 28,933 |
| 1982 | 21,081 | 1998 | 29,454 | 2014 | 28,900 |
| 1983 | 21,313 | 1999 | 29,945 | 2015 | 29,180 |
| 1984 | 22,000 | 2000 | 31,100 | 2016 | 29,605 |
| 1985 | 22,606 | 2001 | 31,703 | 2017 | 30,129 |
| 1986 | 23,249 | 2002 | 31,771 | 2018 | 30,443 |
| 1987 | 23,992 | 2003 | 31,684 | 2019 | 30,636 |
| 1988 | 24,992 | 2004 | 31,914 | 2020 | 28,001 |
| 1989 | 25,821 | 2005 | 31,918 | 2021 | 30,710 |
| 1990 | 26,330 | 2006 | 32,356 | 2022 | 32,303 |
| 1991 | 26,684 | 2007 | 32,704 | 2023 | 32,620 |
| 1992 | 26,893 | 2008 | 32,100 | 2024 | 32,889 |
| 1993 | 26,641 | 2009 | 30,183 | 2025 | 33,088 |
| 1994 | 27,204 | 2010 | 30,506 | 2026 | 33,291 |
| 1995 | 27,988 | 2011 | 30,586 | | |