28080 Kata Kolok 10-99 <1800 "In the year 2000, the village of Bengkala was home to 2,186 individuals, of whom 47 were deaf... as many as two-thirds of the hearing community members use Kata Kolok, albeit with varying degrees of proficiency (Marsaja 2008). A demographic survey completed in 2008 has indicated that the village population has increased to 2,740 (Astika 2008). Assuming that the proportion of hearing signers has remained constant, Kata Kolok could be currently used by up to 1,800 hearing signers." The Kata Kolok perfective in child signing Off ~47 10-99