Breadcrumb Home Data publication: D23301 Statistical database update 2. December 2021 Economy - Science. Technology. Innovation - General data R&D Data of business enterprise sector, 2020 RD01: Research and development personnel by institutional sector and sex RD051: Expenditures by kind of research and development activities by instituti… Rd052: Research and development expenditures and their financing from state and… RD050: Research and development expenditures by institutional sector and type o…