- Letter:
AllA(15)B(13)C(15)D(8)E(7)F(11)G(8)H(10)J(3)L(8)M(14)P(10)R(13)S(16)T(12)W(4)Y(2)Digital(1)Other(2)
- Range Of Character Number:
All101-200(20)201-500(15)501-1000(7)1001-2000(3)2001-5000(10)5001-10000(3)10001-20000(2)20001-50000(7)50001-65536(3)
- Operating System:
AllWindows 95(15)Windows 98(15)Windows Me(15)Windows XP(20)Windows Vista(20)Windows 7(20)Windows 8(20)Windows 10(20)Windows 2000(20)Windows Server 2003(20)Windows Server 2008(20)Windows Server 2012(20)Windows Server 2016(20)Mac OS Classic(15)macOS(20)Linux(20)Android(19)iOS(20)