Show data table
| 1980 | 311 | 1996 | 471 | 2012 | 1,058 |
| 1981 | 322 | 1997 | 479 | 2013 | 1,176 |
| 1982 | 294 | 1998 | 488 | 2014 | 1,340 |
| 1983 | 277 | 1999 | 491 | 2015 | 1,496 |
| 1984 | 303 | 2000 | 483 | 2016 | 1,679 |
| 1985 | 318 | 2001 | 481 | 2017 | 1,840 |
| 1986 | 318 | 2002 | 491 | 2018 | 1,992 |
| 1987 | 339 | 2003 | 532 | 2019 | 2,154 |
| 1988 | 356 | 2004 | 563 | 2020 | 2,270 |
| 1989 | 378 | 2005 | 572 | 2021 | 2,498 |
| 1990 | 398 | 2006 | 610 | 2022 | 2,731 |
| 1991 | 402 | 2007 | 669 | 2023 | 2,652 |
| 1992 | 401 | 2008 | 761 | 2024 | 2,619 |
| 1993 | 396 | 2009 | 841 | 2025 | 2,636 |
| 1994 | 412 | 2010 | 936 | 2026 | 2,911 |
| 1995 | 450 | 2011 | 1,032 | | |
Show data table
| 1980 | 4,823 | 1996 | 19,339 | 2012 | 83,707 |
| 1981 | 5,389 | 1997 | 20,537 | 2013 | 94,014 |
| 1982 | 5,896 | 1998 | 22,158 | 2014 | 104,168 |
| 1983 | 6,484 | 1999 | 23,588 | 2015 | 116,207 |
| 1984 | 7,578 | 2000 | 25,196 | 2016 | 131,405 |
| 1985 | 8,469 | 2001 | 26,828 | 2017 | 145,569 |
| 1986 | 9,288 | 2002 | 28,418 | 2018 | 163,567 |
| 1987 | 10,405 | 2003 | 30,956 | 2019 | 181,018 |
| 1988 | 11,145 | 2004 | 33,518 | 2020 | 192,512 |
| 1989 | 12,099 | 2005 | 36,796 | 2021 | 211,824 |
| 1990 | 13,303 | 2006 | 41,002 | 2022 | 235,683 |
| 1991 | 14,317 | 2007 | 46,166 | 2023 | 263,735 |
| 1992 | 15,144 | 2008 | 52,189 | 2024 | 290,821 |
| 1993 | 15,541 | 2009 | 57,880 | 2025 | 317,437 |
| 1994 | 16,431 | 2010 | 64,739 | 2026 | 358,244 |
| 1995 | 18,116 | 2011 | 73,495 | | |
Show data table
| 1980 | 45,984 | 1996 | 58,187 | 2012 | 107,118 |
| 1981 | 46,490 | 1997 | 59,529 | 2013 | 112,254 |
| 1982 | 46,368 | 1998 | 61,323 | 2014 | 117,705 |
| 1983 | 46,992 | 1999 | 62,902 | 2015 | 124,025 |
| 1984 | 48,156 | 2000 | 64,951 | 2016 | 131,405 |
| 1985 | 48,422 | 2001 | 66,974 | 2017 | 138,574 |
| 1986 | 49,167 | 2002 | 68,286 | 2018 | 147,164 |
| 1987 | 49,678 | 2003 | 70,295 | 2019 | 157,117 |
| 1988 | 49,450 | 2004 | 72,793 | 2020 | 160,913 |
| 1989 | 49,478 | 2005 | 76,408 | 2021 | 170,047 |
| 1990 | 51,159 | 2006 | 80,415 | 2022 | 180,107 |
| 1991 | 51,652 | 2007 | 85,042 | 2023 | 188,540 |
| 1992 | 53,057 | 2008 | 89,129 | 2024 | 194,515 |
| 1993 | 54,294 | 2009 | 92,586 | 2025 | 199,314 |
| 1994 | 55,315 | 2010 | 96,651 | 2026 | 206,660 |
| 1995 | 56,814 | 2011 | 101,729 | | |