Statistics 2007-Total visitators:7958
- full price - italians: 425
- full price - foreign visitors: 1.651
- reduced - italians: 1.747
- reduced - foreign visitors: 1.754
- free - italians: 1.294
- free - foreign visitors: 635
- roots of the marble - italians: 438
- root of the marble - foreign visitors: 14