 A study published in 2010 found O-M110 in 18.8% (9/48) Taiwanese Aboriginals, 13.3% (8/60) Nias, 8.3% (4/48) Philippines, 7.4% (4/54) Sulawesi, 6.3% (22/350) Sumba, 5.8% (5/86) Borneo, 3.3% (1/30) Moluccas, 2.3% (1/44) Maewo, Vanuatu, 1.6% (1/61) Java, 1.4% (1/74) Mentawai, and 0.8% (5/641) Bali.A study published in 2012 found O-M110 in 4.6% (33/712) of males from the Solomon Islands.Prior to 2002, there were in academic literature at least seven naming systems for the Y-Chromosome Phylogenetic tree.