| Year | Visitors |
|---|---|
| 2019 | 71,247 |
| 2018 | 66,216 |
| 2017 | 85,603 |
| 2016 | 85,348 |
| 2015 | 35,446 |
| 2014 | 20,943 |
| 2013 | 20,429 |
| 2012 | 16,358 |
| 2011 | 7,817 |
| 2010 | 0 |
| 2009 | 150 |
| 2008 | 690 |
| 2007 | 0 |
| 2006 | 6,369 |
| 2005 | 15,287 |
| 2004 | 12,902 |
| 2003 | 13,378 |
| 2002 | 13,435 |
| 2001 | 22,971 |
| 2000 | 41,283 |
| 1999 | 43,887 |
| 1998 | 33,406 |
| 1997 | 0 |
| 1996 | 0 |
| 1995 | 0 |
| 1994 | 0 |
| 1993 | 0 |
| 1992 | 13,916 |
| 1991 | 40,549 |
| 1990 | 27,182 |
| 1989 | 37,347 |
| 1988 | 45,307 |
| 1987 | 46,281 |
| 1986 | 41,623 |
| 1985 | 18,956 |
| 1984 | 9,163 |
| 1983 | 2,653 |
| 1982 | 0 |
| 1981 | 0 |
| 1980 | 0 |
| 1979 | 371 |