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

	Total	Always	Not always	
Both sexes	
    Total	2.91	3.88	4.86	
    Andalucía	6.49	9.45	12.63	
    Aragón	8.91	10.94	19.86	
    Asturias (Principado de)	16.26	19.03	16.70	
    Balears (Illes)	15.29	18.88	22.79	
    Canarias	15.92	19.52	20.41	
    Cantabria	11.58	13.68	25.44	
    Castilla y León	8.04	10.28	19.42	
    Castilla-La Mancha	8.98	16.12	20.95	
    Cataluña	8.30	13.29	13.42	
    Comunidad Valenciana	9.53	9.94	15.55	
    Extremadura	8.35	19.74	20.24	
    Galicia	7.53	12.02	13.50	
    Madrid (Comunidad de)	10.85	13.40	14.50	
    Murcia (Región de)	11.59	14.33	21.47	
    Navarra (Comunidad Foral de)	10.98	13.44	13.38	
    País Vasco	12.87	19.05	19.77	
    Rioja (La)	22.01	28.95	36.97	
    Ceuta y Melilla	22.58	33.59	33.75	
Males	
    Total	3.25	4.56	5.62	
    Andalucía	7.60	11.04	16.59	
    Aragón	12.64	16.88	23.28	
    Asturias (Principado de)	15.14	19.82	19.21	
    Balears (Illes)	11.89	17.21	31.03	
    Canarias	18.55	19.99	26.18	
    Cantabria	9.69	13.09	26.50	
    Castilla y León	9.18	11.67	24.75	
    Castilla-La Mancha	9.38	19.73	20.54	
    Cataluña	9.50	15.15	14.91	
    Comunidad Valenciana	11.17	11.78	16.16	
    Extremadura	9.45	22.18	18.54	
    Galicia	8.61	16.91	19.33	
    Madrid (Comunidad de)	12.30	17.73	15.59	
    Murcia (Región de)	12.43	16.91	17.25	
    Navarra (Comunidad Foral de)	7.44	10.30	17.86	
    País Vasco	15.00	22.29	27.82	
    Rioja (La)	25.15	40.78	36.97	
    Ceuta y Melilla	27.77	34.94	43.80	
Females	
    Total	5.60	7.06	9.20	
    Andalucía	15.13	20.72	18.36	
    Aragón	28.84	42.99	47.27	
    Asturias (Principado de)	30.43	41.36	43.11	
    Balears (Illes)	38.11	53.52	59.67	
    Canarias	28.78	32.97	44.06	
    Cantabria	41.57	52.92	59.97	
    Castilla y León	16.81	25.66	47.30	
    Castilla-La Mancha	31.18	26.08	51.26	
    Cataluña	13.43	17.54	24.49	
    Comunidad Valenciana	19.71	23.75	34.22	
    Extremadura	23.71	31.77	32.76	
    Galicia	21.34	21.78	30.41	
    Madrid (Comunidad de)	14.98	18.52	23.02	
    Murcia (Región de)	27.25	48.02	41.27	
    Navarra (Comunidad Foral de)	27.61	34.20	21.52	
    País Vasco	19.33	22.96	34.07	
    Rioja (La)	51.15	51.15	0.00	
    Ceuta y Melilla	35.45	37.04	38.73	
Notes:
Source: National Statistics Institute