Survey on Homeless Persons Relative sampling errors Sampling errors relating to the homeless population by main source of income and nationality Units: percentages ;Total;Spanish;Foreign; Total;15.45;31.08;17.96; No income;2.25;3.84;3.65; Work;41.35;94.53;62.45; Sale of objects;210.06;261.86;353.60; Provision of services;33.06;61.60;47.80; Minimum Integration Income (MII);25.29;32.95;39.95; Unemployment benefits;31.85;50.46;72.33; Disability pension;32.29;48.58;109.27; Retirement pension;92.19;193.72;79.54; Survivor's pension;221.99;224.38;..; Non-contributory pension;27.10;27.84;144.48; Other benefits;9.92;12.34;12.64; A relative;10.81;15.14;15.53; A friend or acquaintance;12.21;22.35;13.29; People on the street;14.02;14.56;16.10; An NGO;11.66;19.33;8.13; Other;15.21;18.71;21.92; Notes: Source: National Statistics Institute