Another formula option
1] In M4, copied down :
=COUNTIF(OFFSET(B4,0,MATCH(C$17,C$2:L$2,0),1,MATCH(D$17,C$2:L$2,0)-MATCH(C$17,C$2:L$2,0)+1),"*")
2] In E17, enter :
=COUNTIF(OFFSET(B$2,MATCH(B17,B$3:B$14,0),MATCH(C$17,C$2:L$2,0),1,MATCH(D$17,C$2:L$2,0)-MATCH(C$17,C$2:L$2,0)+1),"*")
Regards
Bosco