Complex sentence: It is followed in frequency by I1 (13,2%), R1b (9,3%), I2 (4,4%) and E1b1b (3,4%)-altogether accounting for over 9/10 of the total Kashubian Y-DNA diversity.
Split into simpler sentences: It is followed in frequency by I1 (13,2%), R1b (9,3%), I2 (4,4%) and E1b1b (3,4%). Altogether these account for over 9/10 of the total Kashubian Y-DNA diversity.