- Letter:
AllA(16)C(6)D(10)F(11)G(1)H(2)I(5)L(2)M(7)N(7)P(5)R(2)S(13)T(4)V(3)X(5)Y(1)Symbol(2)Other(11)
- Operating System:
AllWindows 95(2)Windows 98(2)Windows Me(2)Windows XP(2)Windows Vista(2)Windows 7(2)Windows 8(2)Windows 10(2)Windows 2000(2)Windows Server 2003(2)Windows Server 2008(2)Windows Server 2012(2)Windows Server 2016(2)Mac OS Classic(2)macOS(2)Linux(2)Android(2)iOS(2)