Update: It looks like there has been some turnover at the universities since the quote from Eric Weinstein. I quick survey (could be incorrect!) says it is now

Update: It looks like there has been some turnover at the universities since the quote from Eric Weinstein. I quick survey (could be incorrect!) says it is now more around 63. That's still high but not as high as what Eric Weinstein was quoting. Would be a great time series.