options mprint mlogic;
%macro counts (cols=_all_,rows=,dsn=&syslast);
       title "Frequency Counts for %upcase(&dsn) data set";
       proc freq data=&dsn;
          tables
          %if &rows ne  %then &rows *
          &cols;
  %else &cols;;
  
       run;
    %mend counts;
%counts(dsn=sasuser.all, cols=paid, rows=course_number)
%counts(dsn=sasuser.all, cols=paid)