Trafiksäkerhetsenkäten 1987

This is the seventh study in a series of annual surveys on road safety conducted since 1981. The study is conducted by Statistics Sweden on behalf of the Traffic Safety Board,...本数据集为1981年起启动的道路安全年度系列调研的第七项研究。本次调研由瑞典统计局（Statistics Sweden）受交通安全委员会（Traffic Safety Board）委托开展，