libname hercules 's:\courses\stat-renaes\stat426\data1';

proc freq data=hercules.nonsales nlevels;
   tables Gender Country Employee_ID;
run;

proc freq data=hercules.nonsales nlevels;
   tables Gender Country Employee_ID / noprint;
run;

proc freq data=hercules.nonsales nlevels;
   tables _all_ / noprint;
run;