Statistics on R&D Activities in the Business Sector Higher Education Sector Number of organizations that carry out intramural R&D by type of centre Unidades: specified in the variables ;Public universities;Private universities;Other centres of higher education;Total; Number of units that carry out intramural R&D;49;35;89;173; Notas: '...' data not available '.'=numeric data equal to zero not resulting from rounding Fuente: National Statistics Institute