Statistics 2005- Total visitators:8717
- full price - italians: 334
- full price - foreign visitors: 1.649
- reduced - italians: 1.020
- reduced - foreign visitors: 2.137
- free - italians: 1.485
- free - foreign visitors: 739
- roots of the marble - italians: 1.080
- root of the marble - foreign visitors: 273