Top 20 positive (top) and negative (bottom) outliers for the United Kingdom (UK).

Differences to the mainstream are given according to the sliding window approach and the global difference approach, using APC to measure popularity.本数据集通过滑动窗口方法（sliding window approach）与全局差分方法（global difference approach）计算与主流的差异，并采用APC指标衡量流行度。