Complex sentence: Hong Kong has one of the highest rates of imprisonment in the region at around 163 per 100,000 only Singapore at 290, Thailand at 270 and, Mongolia at 253 exceed this level.
Split into simpler sentences: Hong Kong has one of the highest rates of imprisonment in the region at around 163 per 100,000. Only Singapore at 290, Thailand at 270 and, Mongolia at 253 exceed this level.