소득 상위 20%인 5분위 가구의 소득이 10.4% 늘어난 반면, 하위 20%인 1분위는 17.7% 줄었기 때문이다.
This is because the income of the fifth percentile households, the top 20%, increased by 10.4%, while the lower 20%, the first percentile households decreased by 17.7%.