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