Nationality of the reference person;Burden of housing costs (mortgage or rent, heating, electricity, etc.);Total Total;A heavy burden;36.2 Total;A reasonable burden;58.0 Total;No burden;5.6 Total;Not specified;0.3 Spanish;A heavy burden;35.8 Spanish;A reasonable burden;58.5 Spanish;No burden;5.5 Spanish;Not specified;0.3 Foreign (European Union);A heavy burden;35.9 Foreign (European Union);A reasonable burden;56.2 Foreign (European Union);No burden;7.6 Foreign (European Union);Not specified;0.2 Foreign (rest of the world);A heavy burden;42.8 Foreign (rest of the world);A reasonable burden;50.3 Foreign (rest of the world);No burden;6.6 Foreign (rest of the world);Not specified;0.4 Not specified;A heavy burden;51.5 Not specified;A reasonable burden;48.5 Not specified;No burden;.. Not specified;Not specified;..