Show data table
| 1980 | 802 | 1996 | 1,651 | 2012 | 3,498 |
| 1981 | 699 | 1997 | 1,749 | 2013 | 3,582 |
| 1982 | 685 | 1998 | 1,860 | 2014 | 3,666 |
| 1983 | 652 | 1999 | 1,908 | 2015 | 3,790 |
| 1984 | 474 | 2000 | 1,983 | 2016 | 3,901 |
| 1985 | 457 | 2001 | 2,058 | 2017 | 4,020 |
| 1986 | 456 | 2002 | 2,115 | 2018 | 4,184 |
| 1987 | 458 | 2003 | 2,208 | 2019 | 4,320 |
| 1988 | 527 | 2004 | 2,286 | 2020 | 3,997 |
| 1989 | 593 | 2005 | 2,447 | 2021 | 4,643 |
| 1990 | 886 | 2006 | 2,666 | 2022 | 5,075 |
| 1991 | 953 | 2007 | 2,831 | 2023 | 5,365 |
| 1992 | 1,041 | 2008 | 2,983 | 2024 | 5,580 |
| 1993 | 1,180 | 2009 | 2,910 | 2025 | 5,839 |
| 1994 | 1,344 | 2010 | 3,040 | 2026 | 6,196 |
| 1995 | 1,548 | 2011 | 3,331 | | |
Show data table
| 1980 | 802 | 1996 | 1,651 | 2012 | 3,498 |
| 1981 | 699 | 1997 | 1,749 | 2013 | 3,582 |
| 1982 | 685 | 1998 | 1,860 | 2014 | 3,666 |
| 1983 | 652 | 1999 | 1,908 | 2015 | 3,790 |
| 1984 | 474 | 2000 | 1,983 | 2016 | 3,901 |
| 1985 | 457 | 2001 | 2,058 | 2017 | 4,020 |
| 1986 | 456 | 2002 | 2,115 | 2018 | 4,184 |
| 1987 | 458 | 2003 | 2,208 | 2019 | 4,320 |
| 1988 | 527 | 2004 | 2,286 | 2020 | 3,997 |
| 1989 | 593 | 2005 | 2,447 | 2021 | 4,643 |
| 1990 | 886 | 2006 | 2,666 | 2022 | 5,075 |
| 1991 | 953 | 2007 | 2,831 | 2023 | 5,365 |
| 1992 | 1,041 | 2008 | 2,983 | 2024 | 5,580 |
| 1993 | 1,180 | 2009 | 2,910 | 2025 | 5,839 |
| 1994 | 1,344 | 2010 | 3,040 | 2026 | 6,196 |
| 1995 | 1,548 | 2011 | 3,331 | | |
Show data table
| 1980 | 2,534 | 1996 | 2,739 | 2012 | 3,554 |
| 1981 | 2,362 | 1997 | 2,806 | 2013 | 3,619 |
| 1982 | 2,196 | 1998 | 2,863 | 2014 | 3,666 |
| 1983 | 2,216 | 1999 | 2,908 | 2015 | 3,741 |
| 1984 | 2,232 | 2000 | 2,927 | 2016 | 3,826 |
| 1985 | 2,228 | 2001 | 2,940 | 2017 | 3,904 |
| 1986 | 2,210 | 2002 | 2,977 | 2018 | 3,994 |
| 1987 | 2,238 | 2003 | 3,018 | 2019 | 4,090 |
| 1988 | 2,249 | 2004 | 3,042 | 2020 | 3,759 |
| 1989 | 2,235 | 2005 | 3,123 | 2021 | 4,193 |
| 1990 | 2,303 | 2006 | 3,261 | 2022 | 4,300 |
| 1991 | 2,306 | 2007 | 3,317 | 2023 | 4,431 |
| 1992 | 2,434 | 2008 | 3,377 | 2024 | 4,526 |
| 1993 | 2,542 | 2009 | 3,296 | 2025 | 4,661 |
| 1994 | 2,636 | 2010 | 3,355 | 2026 | 4,779 |
| 1995 | 2,737 | 2011 | 3,470 | | |