| Year |
Number of visitors |
|
| 1994 | 9 125 | |
| 1995 | 14 408 | |
| 1996 | 15 437 | |
| 1997 | 18 500 | |
| 1998 | 17 800 | |
| 1999 | 13 717 | |
| 2000 | 16 050 | |
| 2001 | 15 131 | |
| 2002 | 13 471 | 11% drop in attendance in consequence of floods in August 2002 |
| 2003 | 9 060 | |
| 2004 | 10 290 | from 2005 service interruption |
Graph of attendance in current years