Well, with the Social Progress Index, we've got some time series data.

好吧，有了社会进步指数， 我们就有了一些时间序列数据。

So when the policy decision was made to close schools, we had enough time, enough data to say, well, who's doing the homeschooling?

因此，当做出关闭学校的政策决定时，我们有足够的时间和足够的数据来说明，好吧，谁在进行家庭教育？