Show data table
| 1980 | 12,292 | 1996 | 20,975 | 2012 | 29,895 |
| 1981 | 12,496 | 1997 | 21,952 | 2013 | 28,919 |
| 1982 | 13,749 | 1998 | 23,301 | 2014 | 30,441 |
| 1983 | 14,962 | 1999 | 25,780 | 2015 | 32,022 |
| 1984 | 15,630 | 2000 | 26,601 | 2016 | 31,811 |
| 1985 | 16,801 | 2001 | 26,971 | 2017 | 32,984 |
| 1986 | 17,854 | 2002 | 28,358 | 2018 | 33,618 |
| 1987 | 19,330 | 2003 | 27,896 | 2019 | 34,455 |
| 1988 | 19,688 | 2004 | 28,057 | 2020 | 26,613 |
| 1989 | 21,819 | 2005 | 30,031 | 2021 | 30,523 |
| 1990 | 20,460 | 2006 | 30,595 | 2022 | 34,802 |
| 1991 | 19,768 | 2007 | 31,499 | 2023 | 37,828 |
| 1992 | 19,417 | 2008 | 30,788 | 2024 | 38,792 |
| 1993 | 18,979 | 2009 | 28,793 | 2025 | 40,005 |
| 1994 | 19,661 | 2010 | 28,725 | 2026 | 40,892 |
| 1995 | 20,271 | 2011 | 28,366 | | |
Show data table
| 1980 | 12,292 | 1996 | 20,975 | 2012 | 29,895 |
| 1981 | 12,496 | 1997 | 21,952 | 2013 | 28,919 |
| 1982 | 13,749 | 1998 | 23,301 | 2014 | 30,441 |
| 1983 | 14,962 | 1999 | 25,780 | 2015 | 32,022 |
| 1984 | 15,630 | 2000 | 26,601 | 2016 | 31,811 |
| 1985 | 16,801 | 2001 | 26,971 | 2017 | 32,984 |
| 1986 | 17,854 | 2002 | 28,358 | 2018 | 33,618 |
| 1987 | 19,330 | 2003 | 27,896 | 2019 | 34,455 |
| 1988 | 19,688 | 2004 | 28,057 | 2020 | 26,613 |
| 1989 | 21,819 | 2005 | 30,031 | 2021 | 30,523 |
| 1990 | 20,460 | 2006 | 30,595 | 2022 | 34,802 |
| 1991 | 19,768 | 2007 | 31,499 | 2023 | 37,828 |
| 1992 | 19,417 | 2008 | 30,788 | 2024 | 38,792 |
| 1993 | 18,979 | 2009 | 28,793 | 2025 | 40,005 |
| 1994 | 19,661 | 2010 | 28,725 | 2026 | 40,892 |
| 1995 | 20,271 | 2011 | 28,366 | | |
Show data table
| 1980 | 30,560 | 1996 | 31,216 | 2012 | 34,195 |
| 1981 | 29,119 | 1997 | 32,214 | 2013 | 32,884 |
| 1982 | 30,247 | 1998 | 33,182 | 2014 | 33,153 |
| 1983 | 31,583 | 1999 | 34,982 | 2015 | 33,144 |
| 1984 | 31,634 | 2000 | 35,766 | 2016 | 32,427 |
| 1985 | 32,506 | 2001 | 36,135 | 2017 | 33,175 |
| 1986 | 32,786 | 2002 | 36,546 | 2018 | 33,618 |
| 1987 | 33,432 | 2003 | 35,540 | 2019 | 32,988 |
| 1988 | 33,488 | 2004 | 35,323 | 2020 | 26,086 |
| 1989 | 33,681 | 2005 | 35,988 | 2021 | 30,288 |
| 1990 | 33,471 | 2006 | 36,363 | 2022 | 33,166 |
| 1991 | 31,529 | 2007 | 36,365 | 2023 | 33,805 |
| 1992 | 29,804 | 2008 | 35,023 | 2024 | 34,567 |
| 1993 | 29,385 | 2009 | 33,097 | 2025 | 35,149 |
| 1994 | 29,792 | 2010 | 33,149 | 2026 | 35,531 |
| 1995 | 30,466 | 2011 | 33,018 | | |