DEFINE PERSONA.ANOSESTU
AS RECODE   PERSONA.P44B3NIVEL
 (1 : 3 = 0)
 (4 = 1)
 (5 = 2)
 (6 = 3)
 (7 = 4)
 (8 = 5)
 (9 = 6)
 (10 = 7)
 (11 = 8)
 (12 = 9)
 (13 = 10)
 (14 = 11)
 (15 = 10)
 (16 = 11) 
 (17 = 10)
 (18 = 11)
 (19 = 12)
 (20 = 13)
 (21 = 12)
 (22 = 13)
 (23 = 12)
 (24 = 13)
 (25 = 14)
 (26 = 12)
 (27 = 13)
 (28 = 14)
 (29 = 15)
 (30 = 16)
 (31 = 17)
 (32 = 18)
 (33 = 19)
 (34 = 18)
 (35 = 19)
 (36 = 20)
 (37 = 19)
 (38 = 20)
 (39 = 21)
 (40 = 22)
 (41 = 23)
 (42 = 24)
 (43 = 0)
 (98 = 98)
 (99 = 99)  
 RANGE 0 - 24 
 VARLABEL "Años de Estudio"

DEFINE PERSONA.CONANTCIUDAD
	AS SWITCH
	INCASE (   PERSONA.CIUDHABI <>    PERSONA.CIUD5ANOS  )
	ASSIGN 1
	INCASE ( PERSONA.CIUDHABI   = PERSONA.CIUD5ANOS  ) 
	ASSIGN 0
	TYPE INTEGER
	RANGE (0 : 1) 
	VARLABEL "Condición de migrante por ciudad"
	VALUELABELS
		1 "Migrante"
		0 "No Migrante"

TABLE SS 
AS FREQUENCY
	OF PERSONA.P25BSEXO
	BY PERSONA.ANOSESTU
	BY   PERSONA.CONANTCIUDAD
	WEIGHT PERSONA.PESO
	FILTER PERSONA.PC09BEDAD > 4