National tables: studies, age and sex. Values
Persons who have had sexual rel. with casual partners in the   last year by sex, studies and use of condom with casual  partners.
Units: thousands of persons

	Total	Always	Not always	No data recorded	
Both sexes	
    Total	3,006.5	1,674.2	1,162.2	170.1	
    Lower than secondary education	1,232.8	672.7	491.7	68.4	
    Secondary education	1,193.5	684.1	437.4	72.0	
    University	580.3	317.5	233.1	29.7	
Males	
    Total	2,298.2	1,282.7	860.5	155.0	
    Lower than secondary education	991.3	572.6	357.3	61.5	
    Secondary education	900.2	502.6	330.7	66.8	
    University	406.7	207.5	172.5	26.7	
Females	
    Total	708.4	391.5	301.7	15.1	
    Lower than secondary education	241.5	100.1	134.4	7.0	
    Secondary education	293.3	181.4	106.7	5.2	
    University	173.6	110.0	60.6	3.0	
Notes:
Data corresponding to cells with less than 45,000 persons must be used with  caution, because they may be affected by high sample errors.
Source: National Statistics Institute