其中，因吸食大麻、合成致幻毒品以及危险的非麻醉剂毒品而被拘留的案件数量都有所上升；而因吸食鸦片等毒品，如可卡因和海洛因所引起的拘留案数量则下降了50%以上。

• Arrests for marijuana, synthetic narcotics and dangerous non-narcotic drugs all went up while arrests for opium derivatives, including cocaine, and heroin declined more than 50 percent.