Show data table
| 1980 | 1,333 | 1996 | 7,325 | 2012 | 17,857 |
| 1981 | 1,617 | 1997 | 8,140 | 2013 | 18,710 |
| 1982 | 1,853 | 1998 | 8,376 | 2014 | 20,171 |
| 1983 | 1,834 | 1999 | 8,776 | 2015 | 19,674 |
| 1984 | 2,148 | 2000 | 9,735 | 2016 | 20,536 |
| 1985 | 2,407 | 2001 | 10,516 | 2017 | 21,395 |
| 1986 | 2,848 | 2002 | 10,870 | 2018 | 21,323 |
| 1987 | 3,278 | 2003 | 10,484 | 2019 | 21,684 |
| 1988 | 3,912 | 2004 | 11,399 | 2020 | 17,155 |
| 1989 | 4,386 | 2005 | 12,376 | 2021 | 16,562 |
| 1990 | 4,998 | 2006 | 14,427 | 2022 | 18,760 |
| 1991 | 5,004 | 2007 | 15,376 | 2023 | 20,154 |
| 1992 | 5,508 | 2008 | 16,627 | 2024 | 20,427 |
| 1993 | 5,929 | 2009 | 16,510 | 2025 | 21,002 |
| 1994 | 6,541 | 2010 | 16,592 | 2026 | 22,146 |
| 1995 | 6,957 | 2011 | 17,716 | | |
Show data table
| 1980 | 3,600 | 1996 | 19,777 | 2012 | 48,213 |
| 1981 | 4,367 | 1997 | 21,978 | 2013 | 50,516 |
| 1982 | 5,004 | 1998 | 22,615 | 2014 | 54,462 |
| 1983 | 4,952 | 1999 | 23,695 | 2015 | 53,119 |
| 1984 | 5,800 | 2000 | 26,284 | 2016 | 55,447 |
| 1985 | 6,499 | 2001 | 28,394 | 2017 | 57,767 |
| 1986 | 7,689 | 2002 | 29,349 | 2018 | 57,571 |
| 1987 | 8,851 | 2003 | 28,308 | 2019 | 58,546 |
| 1988 | 10,561 | 2004 | 30,777 | 2020 | 46,320 |
| 1989 | 11,842 | 2005 | 33,416 | 2021 | 44,716 |
| 1990 | 13,496 | 2006 | 38,953 | 2022 | 50,651 |
| 1991 | 13,512 | 2007 | 41,516 | 2023 | 54,415 |
| 1992 | 14,871 | 2008 | 44,893 | 2024 | 55,153 |
| 1993 | 16,009 | 2009 | 44,576 | 2025 | 56,706 |
| 1994 | 17,661 | 2010 | 44,797 | 2026 | 59,794 |
| 1995 | 18,783 | 2011 | 47,833 | | |
Show data table
| 1980 | 11,562 | 1996 | 27,360 | 2012 | 40,648 |
| 1981 | 12,042 | 1997 | 28,995 | 2013 | 42,533 |
| 1982 | 12,824 | 1998 | 28,917 | 2014 | 45,337 |
| 1983 | 12,613 | 1999 | 29,664 | 2015 | 44,663 |
| 1984 | 13,901 | 2000 | 33,162 | 2016 | 46,067 |
| 1985 | 14,875 | 2001 | 34,327 | 2017 | 45,818 |
| 1986 | 16,288 | 2002 | 34,583 | 2018 | 45,597 |
| 1987 | 17,746 | 2003 | 33,187 | 2019 | 46,343 |
| 1988 | 19,716 | 2004 | 34,393 | 2020 | 38,979 |
| 1989 | 21,051 | 2005 | 37,810 | 2021 | 38,924 |
| 1990 | 22,371 | 2006 | 38,934 | 2022 | 42,701 |
| 1991 | 23,071 | 2007 | 39,268 | 2023 | 44,665 |
| 1992 | 23,670 | 2008 | 41,658 | 2024 | 45,335 |
| 1993 | 24,634 | 2009 | 40,132 | 2025 | 45,934 |
| 1994 | 25,633 | 2010 | 40,079 | 2026 | 46,794 |
| 1995 | 26,180 | 2011 | 40,502 | | |