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, 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 since 2004, and were 28,417 in 2006 (a decrease of 4.1% from the previous year).

Fig. 3-2-2-1  Number of Boryokudan members cleared for non-traffic penal code offenses and special act offenses (1977-2006)

  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, by major offense in 2006.

Table 3-2-2-2  Number of Boryokudan members in persons cleared by type of major offense (2006)

  Boryokudan members occupied a large portion of the total number of persons cleared for gambling, unlawful capture/confinement, extortion and intimidation for non-traffic penal code offenses, and Horse Racing Act violations, Bicycle 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 in such order.