data _null_;
nthstart = floor(ranuni(12345)*10);
call symput('nthstart',put(nthstart,best12.));
run;
data EMDATA.SMPMPIYN(label="Sample of EMDATA.VIEW_AYL.");
set EMDATA.VIEW_AYL;
if mod(_N_, 10) = &nthstart then output;
run;