[Koha] How to find a great number of visitors in the library on mysql report.

Dear sir/Madam How to find a great number of visitors in the library. How to prepare the mysql Report. please help me. -- Thanking you.. Librarian, MAMCET <http://mamcet.com/> Trichy-Chennai Trunk Road, Siruganur, Tiruchirappalli-621 105.