1year,n_works,n_refs_declared,n_internal,n_external22018,561564,8855582,213113,781895532019,600167,10444150,936000,846102742020,612005,11934137,2036362,869162352021,604393,13898820,3412614,896427162022,610670,13286136,4067878,776419372023,678150,14786528,5422214,773830782024,785101,15367804,6398357,739677292025,973274,14701560,7005817,6786828102026,977914,8293086,4444908,383159011