@arya_amsha
Proto-Indo-European is Steppe Eneolithic not Yamnaya, so that share will dip even lower, and haplogroups will be 0% as CLV had V1636 and very minor I2-L699, Q1a2/Q1b2, all of which die by the time of Corded Ware(0 in it, even M269 dies in Fatyanovo with Hunter-Gatherer R1a)