Show data table
| 1980 | 12,624 | 1996 | 26,884 | 2012 | 41,150 |
| 1981 | 11,058 | 1997 | 24,309 | 2013 | 42,952 |
| 1982 | 10,433 | 1998 | 25,025 | 2014 | 43,277 |
| 1983 | 9,922 | 1999 | 24,756 | 2015 | 36,776 |
| 1984 | 9,357 | 2000 | 22,502 | 2016 | 37,081 |
| 1985 | 9,753 | 2001 | 22,487 | 2017 | 38,757 |
| 1986 | 13,488 | 2002 | 24,295 | 2018 | 41,540 |
| 1987 | 16,241 | 2003 | 29,675 | 2019 | 40,487 |
| 1988 | 17,650 | 2004 | 33,876 | 2020 | 39,231 |
| 1989 | 17,639 | 2005 | 34,965 | 2021 | 43,848 |
| 1990 | 21,736 | 2006 | 36,685 | 2022 | 41,096 |
| 1991 | 21,675 | 2007 | 41,763 | 2023 | 44,750 |
| 1992 | 23,776 | 2008 | 45,754 | 2024 | 46,054 |
| 1993 | 22,358 | 2009 | 41,943 | 2025 | 48,930 |
| 1994 | 23,506 | 2010 | 40,989 | 2026 | 52,083 |
| 1995 | 26,927 | 2011 | 44,198 | | |
Show data table
| 1980 | 8,121 | 1996 | 20,962 | 2012 | 32,009 |
| 1981 | 9,111 | 1997 | 21,606 | 2013 | 32,340 |
| 1982 | 10,397 | 1998 | 22,476 | 2014 | 32,568 |
| 1983 | 11,474 | 1999 | 23,205 | 2015 | 33,142 |
| 1984 | 12,428 | 2000 | 24,352 | 2016 | 33,509 |
| 1985 | 13,254 | 2001 | 25,107 | 2017 | 34,320 |
| 1986 | 14,217 | 2002 | 25,712 | 2018 | 35,159 |
| 1987 | 14,867 | 2003 | 26,241 | 2019 | 36,162 |
| 1988 | 15,996 | 2004 | 27,246 | 2020 | 34,374 |
| 1989 | 17,140 | 2005 | 28,089 | 2021 | 37,049 |
| 1990 | 17,997 | 2006 | 29,216 | 2022 | 38,995 |
| 1991 | 18,580 | 2007 | 30,469 | 2023 | 41,374 |
| 1992 | 19,147 | 2008 | 31,112 | 2024 | 42,561 |
| 1993 | 19,283 | 2009 | 30,104 | 2025 | 43,326 |
| 1994 | 19,857 | 2010 | 30,893 | 2026 | 44,168 |
| 1995 | 20,476 | 2011 | 31,758 | | |
Show data table
| 1980 | 22,205 | 1996 | 28,648 | 2012 | 34,945 |
| 1981 | 22,345 | 1997 | 29,269 | 2013 | 35,094 |
| 1982 | 22,753 | 1998 | 30,178 | 2014 | 35,142 |
| 1983 | 22,907 | 1999 | 31,046 | 2015 | 35,337 |
| 1984 | 23,186 | 2000 | 32,195 | 2016 | 35,500 |
| 1985 | 23,462 | 2001 | 32,555 | 2017 | 36,212 |
| 1986 | 23,897 | 2002 | 32,683 | 2018 | 36,668 |
| 1987 | 24,391 | 2003 | 32,772 | 2019 | 37,288 |
| 1988 | 25,401 | 2004 | 33,369 | 2020 | 34,359 |
| 1989 | 26,422 | 2005 | 33,771 | 2021 | 36,556 |
| 1990 | 27,012 | 2006 | 34,510 | 2022 | 37,378 |
| 1991 | 27,235 | 2007 | 35,137 | 2023 | 37,792 |
| 1992 | 27,481 | 2008 | 35,030 | 2024 | 38,080 |
| 1993 | 27,233 | 2009 | 33,892 | 2025 | 38,314 |
| 1994 | 27,785 | 2010 | 34,351 | 2026 | 38,535 |
| 1995 | 28,366 | 2011 | 35,030 | | |