Show data table
| 1980 | 4,671 | 1996 | 3,175 | 2012 | 12,688 |
| 1981 | 5,086 | 1997 | 3,779 | 2013 | 8,693 |
| 1982 | 5,042 | 1998 | 3,970 | 2014 | 7,107 |
| 1983 | 4,883 | 1999 | 4,133 | 2015 | 4,097 |
| 1984 | 3,447 | 2000 | 4,821 | 2016 | 3,676 |
| 1985 | 3,472 | 2001 | 4,964 | 2017 | 3,807 |
| 1986 | 3,489 | 2002 | 3,778 | 2018 | 3,530 |
| 1987 | 2,619 | 2003 | 3,266 | 2019 | 2,625 |
| 1988 | 3,293 | 2004 | 4,312 | 2020 | 1,533 |
| 1989 | 2,378 | 2005 | 5,422 | 2021 | 2,052 |
| 1990 | 2,493 | 2006 | 6,647 | 2022 | 3,307 |
| 1991 | 2,685 | 2007 | 8,538 | 2023 | 3,829 |
| 1992 | 2,968 | 2008 | 11,079 | 2024 | 4,539 |
| 1993 | 2,876 | 2009 | 9,558 | 2025 | 3,736 |
| 1994 | 2,742 | 2010 | 11,158 | 2026 | 4,140 |
| 1995 | 3,560 | 2011 | 10,934 | | |
Show data table
| 2012 | 0 | 2017 | 0 | 2022 | 23,100 |
| 2013 | 0 | 2018 | 0 | 2023 | 113,154 |
| 2014 | 0 | 2019 | 36 | 2024 | 186,865 |
| 2015 | 0 | 2020 | 501 | 2025 | 618,204 |
| 2016 | 0 | 2021 | 6,710 | 2026 | 3.34M |