6. Ciencia y tecnología, sociedad de la información Personal e investigadores en I+D por sectores. Serie 2018-2021. Units: porcentaje de mujeres ,Personal I+D,,,,Investigadores,,,, ,2021,2020,2019,2018,2021,2020,2019,2018, Total sectores de alta y media-alta tecnología (A+D),30.6,30.9,30.8,30.3,30.9,31.3,31.6,31.2, A. Sectores manufactureros de alta y media-alta tecnología (B+C),30.2,29.7,28.6,27.5,30.0,30.5,30.7,28.9, B. Sectores manufactureros de alta tecnología,39.0,39.1,38.1,37.5,35.0,36.1,36.3,34.2, C. Sectores manufactureros de tecnología media-alta,24.8,24.0,23.0,22.1,26.0,25.9,25.7,24.7, D. Servicios de alta tecnología,31.0,31.9,32.7,32.9,31.5,31.8,32.3,32.8, Total sector empresarial,30.4,30.7,30.7,30.1,31.1,31.2,31.6,31.0, Notes: Source: Indicadores de alta tecnología. INE