Housing conditions and energy efficiency Households by burden of housing costs (mortgage or rent, heating, electricity, etc.) by number of recipients. Unidades: Horizontal percentages. ;A heavy burden;A reasonable burden;No burden;Not specified; Total;36,2;58;5,6;0,3; 1 recipient;35,5;56,8;7,3;0,4; 2 recipients;34,9;60,6;4,3;0,2; 3 recipients or more;39,6;55,9;4,3;0,2; Not classifiable;47,3;43;9,4;0,3; Notas: A recipient is defined as a household member who has an annual personal income of more than 1,000 euros. Personal income includes income from employment, profits/losses from self-employment, social benefits and income from private pension schemes. 2) Number of recipients: Not classifiable includes households where there is no personal income earner (or where the personal income does not exceed 1,000 euros per year). Fuente: Instituto Nacional de Estadística