you could infer it from the number of employees and the size of the exit, adjusted by the age of the company. This will roughly give you a dollar earned per pe

you could infer it from the number of employees and the size of the exit, adjusted by the age of the company. This will roughly give you a dollar earned per person-year, assuming that person-years are fungible (they aren't) and will not tell you about chance of success -- but would be interesting nonetheless.