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