Table II-1 gives data on the arrest and detention of suspects in cases cleared by public prosecutor's offices(excluding traffic professional negligence and road traffic violations) in 1999, by type of offense.
  The ratio of suspects involved in custodial cases (that is, cases in which a suspect is arrested by the police and sent to public prosecutor's offices in person, and cases in which the suspect is arrested by a public prosecutor's offices)as against all suspects (the custodial ratio) was 31.7%. By type of offense, rape had the highest ratio, followed by robbery, Stimulant Drug Control Law violations, and homicide, in that order.
  The ratio of suspects subject to a detention request from public prosecutors as against all custodial case suspects (the detention request ratio) was 92.4%. By type of offense, homicide had the highest ratio, followed by Stimulant Drug Control Law violations, rape, and robbery, in that order.
  Meanwhile, court judges rejected detention requests for 0.2% of suspects subject to such requests.

Table II-1 Persons arrested or detained in cases cleared by public prosecutor's offices, by type of offense (1999)