The effectiveness of measures taken to deal with this problem has clearly improved, as attested to by the fact that in 1999, 244 networks were broken up, and 696 people were arrested; and in 2000, the figures were 317 networks broken up and there were 1,010 arrests.
On observe une amélioration constante et significative des mesures prises pour lutter contre ce phénomène si on compare ces chiffres à ceux des années 1990 (244 réseaux démantelés, et 696 personnes incarcérées) et 2000 (317 réseaux démantelés et 1 010 personnes incarcérées).