Trafiksäkerhetsenkäten 1999

This is the third study in a series of annual surveys on road safety conducted since 1981. The study is conducted by Statistics Sweden on behalf of the Swedish National Road...本研究为1981年起开展的道路安全年度系列调查中的第三项。该研究由瑞典统计局（Statistics Sweden）受瑞典国家道路……委托实施。