translation.en: He plotted on a logarithmic scale, going from 100 deaths per 100,000 people per year, which was approximately the rate of homicide in the Middle Ages. And the figure plummets down to less than one homicide per 100,000 people per year in seven or eight European countries. Then, there is a slight uptick in the 1960s. The people who said that rock 'n' roll would lead to the decline of moral values actually had a grain of truth to that.
translation.zh: 他用对数表示，从每年每十万人中 100例死亡，略等于中世纪的凶杀案发率 数据降低到了 每年每十万人中少于1例死亡率 在7、8个欧洲国家。然后1960年代稍有上涨 那些说摇滚导致了道德丧失的部分人 确实有一定道理