Fig. 3-2-2-1 shows the number of Boryokudan members cleared for non-traffic penal code offenses and special act offenses (excluding dangerous driving causing death or injury in traffic accidents and violations of traffic acts including four statute traffic related acts, hereinafter the same in this subsection) over the last 30 years.
  Those members cleared were stable between 30,000 and 40,000 since 1989, but were below 30,000 in 2004, and were 29,626 in 2005 (an increase of 1.0% from the previous year).

Fig. 3-2-2-1  Number of Boryokudan members cleared for non-traffic penal code offenses and special act offenses (1976-2005)

  Table 3-2-2-2 shows occupancy of the number of Boryokudan members in the total persons cleared for non-traffic penal code offenses and special act offenses in 2005.
  Boryokudan members occupied a large portion in the total number of persons cleared for unlawful capture/confinement, gambling, extortion, and intimidation for non-traffic penal code offenses, and Bicycle Racing Act violations, Horse Racing Act violations, Stimulants Control Act violations, and Narcotics and Psychotropics Control Act violations for special act offenses.
  Looking at the number of Boryokudan members cleared by type of offense, Stimulants Control Act violations were the highest, followed by injury, theft, and extortion.

Table 3-2-2-2  Number of Boryokudan members in persons cleared, by type of major offense (2005)