libname lib1 sasehavr "%sysget(HAVER_DATA)" 
        freq=monthly 
        start=20040401 
        end=20041231 
        force=freq;

data hwoutm;
   set lib1.haverw;
run;

title1 'Haver Analytics Database, Frequency=monthly, infile=haverw.dat';
title2 '  Define a range inside the data range for OUT= dataset';
title3 '  Using the START=20040401 END=20041231 LIBNAME options.';
  
proc print data=hwoutm;
run;