A probability sampling was carried out in which 12 of the 24 zones of the Greater Buenos Aires area Argentina were selected Almirante Brown, Avellaneda, Berazategui, Florencio Varela, Hurlingham, José Clemente Paz, Lanús, Malvinas Argentinas, Moreno, Quilmes, Tigre, Vicente López.
Se efectuó un muestreo probabilístico en el que se seleccionaron 12 de los 24 partidos del Gran Buenos Aires Argentina Almirante Brown, Avellaneda, Berazategui, FlorencioVarela, Hurlingham, José Clemente Paz, Lanús, Malvinas Argentinas, Moreno, Quilmes, Tigre, Vicente López.