I'd like to see some stats on the companies that failed after YC. How far did they get? Why did they fail? (e.g. failed to raise VS team exploded VS killed by c

I'd like to see some stats on the companies that failed after YC. How far did they get? Why did they fail? (e.g. failed to raise VS team exploded VS killed by competitor). This sort of info would be valuable to first-time founders, as they're the sorts of hazards you only typically learn to navigate by experiencing them first hand.