| Year | Visitors |
|---|---|
| 2019 | 38,700 |
| 2018 | 35,382 |
| 2017 | 38,096 |
| 2016 | 39,079 |
| 2015 | 47,220 |
| 2014 | 34,082 |
| 2013 | 22,862 |
| 2012 | 21,465 |
| 2011 | 22,415 |
| 2010 | 19,313 |
| 2009 | 19,386 |
| 2008 | 18,522 |
| 2007 | 12,536 |
| 2006 | 11,795 |
| 2005 | 11,129 |
| 2004 | 11,333 |
| 2003 | 15,455 |
| 2002 | 16,113 |
| 2001 | 17,643 |
| 2000 | 15,910 |
| 1999 | 15,058 |
| 1998 | 11,844 |
| 1997 | 9,069 |
| 1996 | 11,127 |
| 1995 | 10,519 |
| 1994 | 8,634 |
| 1993 | 4,885 |