Housing conditions and energy efficiency Households by burden of housing costs (mortgage or rent, heating, electricity, etc.) by Autonomous Community. Unidades: Horizontal percentages. ,A heavy burden,A reasonable burden,No burden,Not specified, Total,36,2,58,5,6,0,3, Andalucía,40,5,54,9,4,3,0,3, Aragón,34,1,57,8,7,5,0,6, Asturias, Principado de,31,5,61,6,6,7,0,1, Balears, Illes,38,8,56,5,4,1,0,5, Canarias,38,3,55,2,5,8,0,7, Cantabria,33,7,57,7,8,4,0,2, Castilla y León,28,64,5,7,1,0,4, Castilla - La Mancha,36,9,57,4,5,5,0,2, Cataluña,40,55,1,4,7,0,2, Comunitat Valenciana,32,2,61,6,5,8,0,3, Extremadura,36,1,57,6,3,0,6, Galicia,33,9,60,1,5,9,0,1, Madrid, Comunidad de,36,2,58,5,5,3,0,1, Murcia, Región de,42,7,50,1,7,1,0,2, Navarra, Comunidad Foral de,33,2,59,9,6,8,0,1, País Vasco,25,7,65,7,8,2,0,4, Rioja, La,30,7,60,1,8,8,0,4, Ceuta,42,2,50,5,6,7,0,6, Melilla,35,6,57,6,6,8,.., Notas: Fuente: Instituto Nacional de Estadística