/*-- Controlling the Time Range of Data - The RANGE Statement --*/
   filename citifile "citiaf.dat" RECFM=F LRECL=80;
   proc datasource filetype=dribasic infile=citifile
                   interval=month  out=dataset;
      keep  exrjan exrsw exruk;
      range from 1985:9 to 1987:2;
   run;
   
   title1 'Printout of the OUT= Data Set';
   proc print data=dataset;
   run;