year,rec_type,n,with_doi
2018,article,22769,19614
2018,book,89,4
2018,data,246,245
2018,incollection,171,115
2018,inproceedings,11322,508
2018,phdthesis,4430,43
2019,article,29350,26379
2019,book,115,4
2019,data,471,444
2019,incollection,30,5
2019,inproceedings,11656,546
2019,phdthesis,4162,35
2020,article,37639,34805
2020,book,62,5
2020,data,816,807
2020,incollection,52,5
2020,inproceedings,13639,610
2020,phdthesis,3857,79
2021,article,39300,36294
2021,book,80,5
2021,data,972,927
2021,incollection,47,0
2021,inproceedings,15423,588
2021,phdthesis,4222,86
2022,article,46967,43149
2022,book,70,1
2022,data,1335,1265
2022,incollection,33,2
2022,inproceedings,19180,574
2022,phdthesis,4133,138
2023,article,56159,51893
2023,book,88,1
2023,data,1773,1691
2023,incollection,21,21
2023,inproceedings,18807,827
2023,phdthesis,3648,97
2024,article,66262,61366
2024,book,60,2
2024,data,2471,2372
2024,incollection,23,0
2024,inproceedings,24391,646
2024,phdthesis,3343,69
2025,article,53124,47735
2025,book,44,0
2025,data,3835,3782
2025,incollection,41,0
2025,inproceedings,26050,692
2025,phdthesis,2099,1
2026,article,16280,11901
2026,book,21,2
2026,data,2765,2741
2026,inproceedings,18840,3473
2026,phdthesis,398,0