| Year | Visitors |
|---|---|
| 2019 | 15,766 |
| 2018 | 14,937 |
| 2017 | 15,500 |
| 2016 | 15,500 |
| 2015 | 0 |
| 2014 | 0 |
| 2013 | 16,875 |
| 2012 | 29,550 |
| 2011 | 11,485 |
| 2010 | 3,164 |
| 2009 | 1,879 |
| 2008 | 1,565 |
| 2007 | 847 |
| 2006 | 3,005 |
| 2005 | 5,037 |
| 2004 | 4,744 |
| 2003 | 4,006 |
| 2002 | 4,046 |
| 2001 | 4,217 |
| 2000 | 2,646 |
| 1999 | 6,309 |
| 1998 | 5,550 |
| 1997 | 2,781 |
| 1996 | 2,781 |
| 1995 | 2,781 |
| 1994 | 2,781 |
| 1993 | 2,816 |
| 1992 | 2,829 |
| 1991 | 2,795 |
| 1990 | 2,586 |
| 1989 | 1,970 |
| 1988 | 2,275 |
| 1987 | 230 |
| 1986 | 1,085 |
| 1985 | 1,305 |
| 1984 | 1,075 |
| 1983 | 2,365 |
| 1982 | 3,775 |