Percentile when you compare the 2021 to 2019. obviously 2019 was before covid, and here's the reason why it's down so much in lower income areas or at least one of the reasons why. if you ask basically the parents of those students who had to stay home because the schools were closed, did your children have trouble completing your school work because of tech problems, in the lower income areas, look at that, income adults said that their children had problems, tech problems versus in the upper income areas, it was just 18%. lower income and minority groups were hit the hardest, at least when i...