Sampling errors
Persons who have had casual partners in the last year. Variation  coefficient by sex, age group and use of condom with casual  partners.
Units: %

	Total	Always	Not always	
Both sexes	
    Total	2.91	3.88	4.86	
    From 18 to 29 years of age	3.84	5.00	6.73	
    From 30 to 39 years of age	5.45	7.85	8.17	
    From 40 to 49 years of age	6.71	9.43	9.83	
Males	
    Total	3.25	4.56	5.62	
    From 18 to 29 years of age	4.22	5.99	7.65	
    From 30 to 39 years of age	5.95	8.75	9.22	
    From 40 to 49 years of age	7.99	10.91	12.08	
Females	
    Total	5.60	7.06	9.20	
    From 18 to 29 years of age	7.22	8.48	12.83	
    From 30 to 39 years of age	12.09	16.12	18.20	
    From 40 to 49 years of age	12.82	20.42	16.72	
Notes:
Source: National Statistics Institute