Despite tougher measures to combat graft, Indonesia remains at the top of the corruption index in the East Asia region, the latest UN Development Program report says. The report, Tackling Corruption, Transforming Lives, gave Indonesia a score of 4.2 out of 5 on the corruption index for its police, judiciary and tax office -- the highest score in the East Asia region. The report cited the 2007 Transparency International Global Corruption Barometer, which measured public perceptions of corruption in public service institutions. The Indonesian police often demand bribes from the public, the report said. "One study, in Indonesia, involved accompanying truckers in long inter-provincial journeys that encountered multiple police checkpoints," it said. "The bribery expenses at these checkpoints constituted around 13 percent of the transportatio...