DEFINE PERSONA.CONDICIUD
AS SWITCH
INCASE  PERSONA.HABCIUD <> PERSONA.ANTCIUD   ASSIGN 0
INCASE  PERSONA.HABCIUD = PERSONA.ANTCIUD  ASSIGN 1
RANGE 0 - 1
VARLABEL "Condicion de migrante"
VALUELABELS
0 "Migrante"
1 "No migrante"

TABLE SX 
AS FREQUENCY OF PERSONA.P28 BY   PERSONA.CONDICIUD
FOR   PERSONA.P30 > 4 AND   PERSONA.P30 < 99 AND PERSONA.MUNIREC>0 AND PERSONA.MUNIEMP>0