Changes in Relative Systemic Contentiousness Between Periods 1950-1970 and 1980-2000

Author's analysis of data from Banks and Wilson. Relative systemic contentiousness refers to the proportion of all contentious events that are anti-systemic (the number of riots and guerrilla wars as a proportion of riots, guerrilla wars, demonstrations, and strikes).本研究针对班克斯（Banks）与威尔逊（Wilson）的数据集开展分析。相对体系性对抗性（Relative systemic contentiousness）指所有对抗性事件中反体系事件的占比，具体为骚乱、游击战、示威活动与罢工的总数量中，骚乱与游击战的数量占比。