I don't understand this graph. Weren't there 85+ startups in the class of 2019, example? https://techcrunch.com/2019/03/18/here-are-the-85-startups-that-launche

I don't understand this graph. Weren't there 85+ startups in the class of 2019, example? https://techcrunch.com/2019/03/18/here-are-the-85-startups-that-launched-today-at-y-combinators-w19-demo-day-1/ https://techcrunch.com/2019/03/18/here-are-the-85-startups-t... But the graph shows 0/2