Show data table
| 1980 | 397 | 1996 | 253 | 2012 | 671 |
| 1981 | 301 | 1997 | 297 | 2013 | 673 |
| 1982 | 300 | 1998 | 330 | 2014 | 684 |
| 1983 | 264 | 1999 | 364 | 2015 | 599 |
| 1984 | 270 | 2000 | 335 | 2016 | 434 |
| 1985 | 354 | 2001 | 310 | 2017 | 463 |
| 1986 | 414 | 2002 | 317 | 2018 | 510 |
| 1987 | 187 | 2003 | 341 | 2019 | 512 |
| 1988 | 165 | 2004 | 399 | 2020 | 457 |
| 1989 | 172 | 2005 | 433 | 2021 | 504 |
| 1990 | 272 | 2006 | 451 | 2022 | 573 |
| 1991 | 289 | 2007 | 499 | 2023 | 617 |
| 1992 | 203 | 2008 | 580 | 2024 | 653 |
| 1993 | 201 | 2009 | 536 | 2025 | 623 |
| 1994 | 198 | 2010 | 485 | 2026 | 632 |
| 1995 | 198 | 2011 | 604 | | |
Show data table
| 1980 | 14 | 1996 | 2,852 | 2012 | 19,044 |
| 1981 | 11 | 1997 | 3,431 | 2013 | 20,255 |
| 1982 | 11 | 1998 | 3,920 | 2014 | 21,443 |
| 1983 | 11 | 1999 | 4,656 | 2015 | 23,965 |
| 1984 | 11 | 2000 | 5,099 | 2016 | 27,346 |
| 1985 | 15 | 2001 | 6,420 | 2017 | 29,440 |
| 1986 | 17 | 2002 | 7,509 | 2018 | 30,789 |
| 1987 | 54 | 2003 | 8,099 | 2019 | 32,038 |
| 1988 | 87 | 2004 | 9,002 | 2020 | 31,716 |
| 1989 | 136 | 2005 | 9,979 | 2021 | 32,997 |
| 1990 | 253 | 2006 | 11,459 | 2022 | 36,571 |
| 1991 | 415 | 2007 | 12,890 | 2023 | 39,430 |
| 1992 | 510 | 2008 | 14,094 | 2024 | 41,698 |
| 1993 | 777 | 2009 | 14,741 | 2025 | 39,949 |
| 1994 | 1,195 | 2010 | 16,469 | 2026 | 41,035 |
| 1995 | 1,784 | 2011 | 17,569 | | |
Show data table
| 1980 | 12,704 | 1996 | 12,352 | 2012 | 27,825 |
| 1981 | 13,022 | 1997 | 13,443 | 2013 | 28,844 |
| 1982 | 11,848 | 1998 | 14,469 | 2014 | 30,208 |
| 1983 | 9,788 | 1999 | 15,775 | 2015 | 31,535 |
| 1984 | 9,009 | 2000 | 15,477 | 2016 | 32,082 |
| 1985 | 9,008 | 2001 | 16,977 | 2017 | 31,987 |
| 1986 | 8,770 | 2002 | 18,080 | 2018 | 32,230 |
| 1987 | 10,077 | 2003 | 18,817 | 2019 | 32,038 |
| 1988 | 10,928 | 2004 | 19,768 | 2020 | 30,741 |
| 1989 | 11,594 | 2005 | 20,417 | 2021 | 30,590 |
| 1990 | 11,547 | 2006 | 21,817 | 2022 | 31,063 |
| 1991 | 11,989 | 2007 | 22,843 | 2023 | 31,875 |
| 1992 | 10,697 | 2008 | 23,753 | 2024 | 31,663 |
| 1993 | 11,400 | 2009 | 24,482 | 2025 | 30,639 |
| 1994 | 11,666 | 2010 | 25,410 | 2026 | 29,969 |
| 1995 | 11,502 | 2011 | 26,485 | | |