DATA COMPREV;
   INPUT COUNTRY COMPUTER REV90 REV91 REV92;
   DATALINES;
1 1  788.8 877.6 944.9
1 2  12538.1 9855.6 8527.9
1 3  9815.8 6340.3 8680.3
1 4  3147.2 3474.1 3722.4
1 5  18660.9 18428.0 23531.1
2 1  469.9 495.6 448.4
2 2  5697.6 6242.4 5382.3
2 3  5392.1 5668.3 4845.9
2 4  1511.6 1875.5 1924.5
2 5  4746.0 4600.8 4363.7
;RUN;
 
PROC FORMAT;
   PICTURE PCTFMT LOW-HIGH='009 %';
RUN;
 
 
PROC TABULATE DATA = COMPREV;
CLASS COUNTRY COMPUTER/MISSING;
TABLE COUNTRY*COMPUTER,PCTN*F=PCTFMT9.;
RUN;