Show data table
| 1980 | 5,848 | 1996 | 4,659 | 2012 | 20,187 |
| 1981 | 6,454 | 1997 | 4,633 | 2013 | 21,098 |
| 1982 | 7,393 | 1998 | 4,873 | 2014 | 21,635 |
| 1983 | 6,939 | 1999 | 5,480 | 2015 | 19,587 |
| 1984 | 6,831 | 2000 | 6,546 | 2016 | 17,149 |
| 1985 | 6,411 | 2001 | 7,046 | 2017 | 17,218 |
| 1986 | 4,121 | 2002 | 7,163 | 2018 | 17,184 |
| 1987 | 4,086 | 2003 | 8,931 | 2019 | 16,830 |
| 1988 | 3,799 | 2004 | 10,442 | 2020 | 14,926 |
| 1989 | 3,626 | 2005 | 12,472 | 2021 | 17,218 |
| 1990 | 4,222 | 2006 | 14,280 | 2022 | 20,042 |
| 1991 | 4,393 | 2007 | 16,766 | 2023 | 17,616 |
| 1992 | 4,474 | 2008 | 21,449 | 2024 | 17,949 |
| 1993 | 3,744 | 2009 | 14,777 | 2025 | 18,072 |
| 1994 | 4,027 | 2010 | 16,957 | 2026 | 18,616 |
| 1995 | 4,322 | 2011 | 19,301 | | |
Show data table
| 1980 | 14,034 | 1996 | 27,977 | 2012 | 129,792 |
| 1981 | 15,491 | 1997 | 28,963 | 2013 | 135,927 |
| 1982 | 17,744 | 1998 | 30,689 | 2014 | 138,661 |
| 1983 | 16,655 | 1999 | 34,518 | 2015 | 124,917 |
| 1984 | 16,395 | 2000 | 41,238 | 2016 | 114,369 |
| 1985 | 15,707 | 2001 | 43,922 | 2017 | 116,730 |
| 1986 | 14,836 | 2002 | 44,756 | 2018 | 116,349 |
| 1987 | 14,708 | 2003 | 56,222 | 2019 | 113,677 |
| 1988 | 14,601 | 2004 | 65,775 | 2020 | 100,765 |
| 1989 | 15,409 | 2005 | 78,568 | 2021 | 116,369 |
| 1990 | 17,943 | 2006 | 90,140 | 2022 | 135,365 |
| 1991 | 18,670 | 2007 | 106,095 | 2023 | 118,916 |
| 1992 | 19,015 | 2008 | 134,900 | 2024 | 121,156 |
| 1993 | 20,032 | 2009 | 93,466 | 2025 | 121,988 |
| 1994 | 23,862 | 2010 | 108,112 | 2026 | 125,763 |
| 1995 | 25,708 | 2011 | 123,705 | | |
Show data table
| 1980 | 64,603 | 1996 | 56,858 | 2012 | 129,792 |
| 1981 | 66,503 | 1997 | 61,024 | 2013 | 133,283 |
| 1982 | 67,918 | 1998 | 65,885 | 2014 | 137,300 |
| 1983 | 59,956 | 1999 | 71,046 | 2015 | 135,944 |
| 1984 | 55,675 | 2000 | 75,756 | 2016 | 125,039 |
| 1985 | 52,688 | 2001 | 78,281 | 2017 | 118,388 |
| 1986 | 50,397 | 2002 | 83,513 | 2018 | 116,781 |
| 1987 | 47,649 | 2003 | 94,632 | 2019 | 116,896 |
| 1988 | 45,415 | 2004 | 101,051 | 2020 | 106,278 |
| 1989 | 44,715 | 2005 | 106,481 | 2021 | 104,965 |
| 1990 | 45,083 | 2006 | 121,017 | 2022 | 105,325 |
| 1991 | 46,184 | 2007 | 125,597 | 2023 | 106,334 |
| 1992 | 50,534 | 2008 | 129,132 | 2024 | 108,473 |
| 1993 | 49,916 | 2009 | 122,302 | 2025 | 108,807 |
| 1994 | 51,452 | 2010 | 125,847 | 2026 | 109,136 |
| 1995 | 53,213 | 2011 | 124,850 | | |