ONLY 982 or 23 per cent of the 4,181 members of the Jamaica Defence Force (JDF) on the voters' list cast ballots on Monday ahead of tomorrow's general election.There was, however, a better showing by members of the Jamaica Constabulary Force, as 42 per cent or 4,849 of the 11,512 on the voters' list exercised their franchise when members of the security forces and election day workers voted.