Show data table
| 1980 | 4,550 | 1996 | 15,261 | 2012 | 29,075 |
| 1981 | 4,353 | 1997 | 14,324 | 2013 | 27,768 |
| 1982 | 4,453 | 1998 | 15,182 | 2014 | 27,013 |
| 1983 | 4,399 | 1999 | 15,380 | 2015 | 23,130 |
| 1984 | 4,576 | 2000 | 14,465 | 2016 | 24,359 |
| 1985 | 4,825 | 2001 | 14,905 | 2017 | 26,370 |
| 1986 | 6,058 | 2002 | 16,188 | 2018 | 29,326 |
| 1987 | 7,188 | 2003 | 20,389 | 2019 | 29,431 |
| 1988 | 8,204 | 2004 | 23,970 | 2020 | 28,296 |
| 1989 | 8,636 | 2005 | 25,527 | 2021 | 33,235 |
| 1990 | 10,360 | 2006 | 27,448 | 2022 | 33,603 |
| 1991 | 10,414 | 2007 | 31,774 | 2023 | 36,968 |
| 1992 | 12,159 | 2008 | 36,009 | 2024 | 38,933 |
| 1993 | 11,342 | 2009 | 32,650 | 2025 | 41,730 |
| 1994 | 12,525 | 2010 | 31,522 | 2026 | 45,409 |
| 1995 | 15,397 | 2011 | 32,911 | | |
Show data table
| 1980 | 2,743 | 1996 | 12,158 | 2012 | 22,616 |
| 1981 | 3,121 | 1997 | 12,567 | 2013 | 20,908 |
| 1982 | 3,611 | 1998 | 13,418 | 2014 | 20,328 |
| 1983 | 3,953 | 1999 | 14,251 | 2015 | 20,844 |
| 1984 | 4,588 | 2000 | 15,344 | 2016 | 22,013 |
| 1985 | 5,026 | 2001 | 16,367 | 2017 | 23,351 |
| 1986 | 5,361 | 2002 | 16,834 | 2018 | 24,821 |
| 1987 | 5,904 | 2003 | 17,998 | 2019 | 26,288 |
| 1988 | 6,536 | 2004 | 19,168 | 2020 | 24,793 |
| 1989 | 7,294 | 2005 | 20,220 | 2021 | 28,081 |
| 1990 | 8,093 | 2006 | 21,505 | 2022 | 31,885 |
| 1991 | 8,249 | 2007 | 23,105 | 2023 | 34,179 |
| 1992 | 9,324 | 2008 | 24,486 | 2024 | 35,980 |
| 1993 | 9,632 | 2009 | 23,434 | 2025 | 36,951 |
| 1994 | 10,518 | 2010 | 23,758 | 2026 | 38,520 |
| 1995 | 11,897 | 2011 | 23,648 | | |
Show data table
| 1980 | 9,608 | 1996 | 17,886 | 2012 | 22,288 |
| 1981 | 9,778 | 1997 | 18,084 | 2013 | 20,800 |
| 1982 | 10,276 | 1998 | 18,935 | 2014 | 20,497 |
| 1983 | 10,682 | 1999 | 19,659 | 2015 | 21,178 |
| 1984 | 11,469 | 2000 | 20,602 | 2016 | 22,494 |
| 1985 | 11,874 | 2001 | 21,199 | 2017 | 23,620 |
| 1986 | 12,155 | 2002 | 21,740 | 2018 | 24,853 |
| 1987 | 12,882 | 2003 | 22,054 | 2019 | 25,970 |
| 1988 | 13,809 | 2004 | 22,869 | 2020 | 24,793 |
| 1989 | 14,710 | 2005 | 23,646 | 2021 | 27,255 |
| 1990 | 15,474 | 2006 | 24,396 | 2022 | 29,025 |
| 1991 | 15,182 | 2007 | 25,170 | 2023 | 29,463 |
| 1992 | 16,177 | 2008 | 25,469 | 2024 | 30,076 |
| 1993 | 15,895 | 2009 | 24,311 | 2025 | 30,682 |
| 1994 | 16,485 | 2010 | 24,191 | 2026 | 31,214 |
| 1995 | 17,941 | 2011 | 23,696 | | |