Year | |
---|---|
1981 | 0 |
1982 | 0 |
1983 | 0 |
1984 | 0 |
1985 | 0 |
1986 | 0 |
1987 | 0 |
1988 | 0 |
1989 | 0 |
1990 | 0 |
1991 | 0 |
1992 | 0 |
1993 | 0 |
1994 | 0 |
1995 | 0 |
1996 | 0 |
1997 | 0 |
1998 | 0 |
1999 | 1,159 |
2000 | 1,530 |
2001 | 1,735 |
2002 | 1,757 |
2003 | 2,656 |
2004 | 3,197 |
2005 | 3,015 |
2006 | 2,883 |
2007 | 3,082 |
2008 | 3,525 |
2009 | 2,627 |
2010 | 3,263 |
2011 | 3,294 |
2012 | 3,079 |
2013 | 2,987 |
2014 | 3,291 |
2015 | 2,961 |
2016 | 2,523 |
2017 | 2,909 |
2018 | 3,038 |
2019 | 2,756 |
2020 | 2,081 |