| Year | Visitors |
|---|---|
| 2019 | 16,226 |
| 2018 | 15,087 |
| 2017 | 15,000 |
| 2016 | 15,000 |
| 2015 | 0 |
| 2014 | 0 |
| 2013 | 18,225 |
| 2012 | 24,950 |
| 2011 | 8,668 |
| 2010 | 2,521 |
| 2009 | 1,810 |
| 2008 | 1,575 |
| 2007 | 745 |
| 2006 | 2,598 |
| 2005 | 4,664 |
| 2004 | 4,330 |
| 2003 | 3,587 |
| 2002 | 3,266 |
| 2001 | 4,060 |
| 2000 | 2,026 |
| 1999 | 3,947 |
| 1998 | 2,960 |
| 1997 | 3,401 |
| 1996 | 3,401 |
| 1995 | 3,401 |
| 1994 | 3,401 |
| 1993 | 3,368 |
| 1992 | 3,389 |
| 1991 | 2,942 |
| 1990 | 2,939 |
| 1989 | 2,880 |
| 1988 | 5,140 |
| 1987 | 6,110 |
| 1986 | 9,375 |
| 1985 | 10,435 |
| 1984 | 9,825 |
| 1983 | 10,375 |
| 1982 | 10,205 |