* to put 8 graphs on the same page by using overlay ;
data a;
  input x1 y1 @@;
  /* x1=_n_ ; *or you can put x1+1 will do the same thing. */;
datalines;
1 2
2 4
3 8
4  6
5  9
;
run;

/* Create the graph */
proc gplot data=a;
  plot (y1 )*x1 / overlay
       haxis=axis1 vaxis=axis2 legend;
axis1 offset=(5,5);
axis2 order=(0 to 10 by 1) minor=none;
symbol1 i=join v=star c=red ;
run;
quit;