6 0 ) ▁N ias , ▁ 8 . 3 % ▁( 4 / 4 8 ) ▁Philippines , ▁ 7 . 4 % ▁( 4 / 5 4 ) ▁Sul aw esi , ▁ 6 . 3 % ▁( 2 2 / 3 5 0 ) ▁Sum ba , ▁ 5 . 8 % ▁( 5 / 8 6 ) ▁Bor neo , ▁ 3 . 3 % ▁( 1 / 3 0 ) ▁Mol u cc as , ▁ 2 . 3 % ▁( 1 / 4 4 ) ▁Ma ew o , ▁Van u atu , ▁ 1 . 6 % ▁( 1 / 6 1 ) ▁Java , ▁ 1 . 4 % ▁( 1 / 7 4 ) ▁M ent aw ai , ▁and ▁ 0 . 8 % ▁( 5 / 6 4 1 ) ▁B ali . ▁ ▁A ▁study ▁published ▁in ▁ 2 0 1 2 ▁found ▁O - M 1 1 0 ▁in ▁ 4 . 6 % ▁( 3 3 / 7 1 2 ) ▁of ▁males ▁from ▁the ▁Sol omon ▁Islands . ▁ ▁Ph y log en et ics ▁ ▁Ph y log en etic ▁history ▁ ▁Prior ▁to ▁ 2 0 0 2 , ▁there ▁were ▁in ▁academic ▁literature ▁at ▁least ▁seven ▁naming ▁systems ▁for ▁the ▁Y - Ch rom os ome ▁Ph y log en etic ▁tree . ▁This ▁led ▁to ▁considerable ▁confusion . ▁In ▁ 2 0 0 2 , ▁the ▁major ▁research ▁groups ▁came ▁together ▁and ▁formed ▁the