| Year | Visitors |
|---|---|
| 2019 | 119,282 |
| 2018 | 97,778 |
| 2017 | 118,733 |
| 2016 | 115,888 |
| 2015 | 105,374 |
| 2014 | 117,354 |
| 2013 | 135,309 |
| 2012 | 115,283 |
| 2011 | 109,780 |
| 2010 | 107,223 |
| 2009 | 113,185 |
| 2008 | 112,262 |
| 2007 | 118,169 |
| 2006 | 116,854 |
| 2005 | 128,796 |
| 2004 | 155,183 |
| 2003 | 148,793 |
| 2002 | 188,613 |
| 2001 | 236,192 |
| 2000 | 253,375 |
| 1999 | 236,918 |
| 1998 | 230,226 |
| 1997 | 248,878 |
| 1996 | 214,880 |
| 1995 | 200,277 |
| 1994 | 258,747 |
| 1993 | 195,314 |