- Letter:
AllA(12)B(2)C(9)F(10)G(2)H(9)I(20)L(7)M(3)N(12)O(1)P(115)S(10)U(2)W(7)X(4)Y(19)Symbol(20)Other(14)
- Operating System:
AllWindows XP(9)Windows Vista(9)Windows 7(9)Windows 8(9)Windows 10(9)Windows 2000(9)Windows Server 2003(9)Windows Server 2008(9)Windows Server 2012(9)Windows Server 2016(9)Mac OS Classic(9)macOS(9)Linux(9)iOS(9)