Research	Years	Total
Total (thousands of euros)	2024	23,930,881
Total (thousands of euros)	2023	22,379,154
Total (thousands of euros)	2022	19,324,755
Total (thousands of euros)	2021	17,249,250
Basic research: Total (thousands of euros)	2024	4,478,697
Basic research: Total (thousands of euros)	2023	4,591,003
Basic research: Total (thousands of euros)	2022	4,462,279
Basic research: Total (thousands of euros)	2021	3,889,578
Basic research: %	2024	18.7
Basic research: %	2023	20.5
Basic research: %	2022	23.1
Basic research: %	2021	22.5
Applied research: Total (thousands of euros)	2024	12,691,111
Applied research: Total (thousands of euros)	2023	10,305,158
Applied research: Total (thousands of euros)	2022	8,996,640
Applied research: Total (thousands of euros)	2021	7,948,828
Applied research: %	2024	53.0
Applied research: %	2023	46.0
Applied research: %	2022	46.6
Applied research: %	2021	46.1
Experimental development: Total (thousands of euros)	2024	6,761,073
Experimental development: Total (thousands of euros)	2023	7,482,993
Experimental development: Total (thousands of euros)	2022	5,865,836
Experimental development: Total (thousands of euros)	2021	5,410,843
Experimental development: %	2024	28.3
Experimental development: %	2023	33.4
Experimental development: %	2022	30.4
Experimental development: %	2021	31.4