Graph cumulative percentage retired at attained age by categorical variable

DATA LIST LIST /retire age rich.
BEGIN DATA
0 45 0
0 45 0
0 45 0
0 55 0
1 55 0
0 65 0
0 60 0
1 60 0
1 45 0
1 65 0
0 45 0
0 55 1
0 55 1
1 60 1
0 65 1
1 55 1
1 60 0
1 65 1
1 60 1
1 65 1
1 65 1
1 65 1
END DATA.
LIST.

VALUE LABEL rich 0 'poor' 1 'rich'.
SORT CASES BY rich age.
SAVE OUTFILE='c:\\temp\\data.sav'.

GET FILE='c:\\temp\\data.sav'.

AGGREGATE OUTFILE=*
       /BREAK rich age
      /retire=SUM(retire) /n=n.

DO IF $CASENUM=1.
+       COMPUTE cretire=retire.
+       COMPUTE clives=n.
ELSE IF (rich=1 AND LAG(rich)=0).
+       COMPUTE cretire=retire.
+       COMPUTE clives=n.
ELSE.
+       COMPUTE cretire=retire + LAG(cretire).
+       COMPUTE clives=n + LAG(clives).
END IF.
EXECUTE.

COMPUTE pc=cretire/clives.

GRAPH
  /LINE(MULTIPLE)MEAN(pc) BY age BY rich
 /MISSING=REPORT.