Looks like nearly half of the founders surveyed are running companies with 5 or less employees. I wonder if this skews the average way down for the whole sample

Looks like nearly half of the founders surveyed are running companies with 5 or less employees. I wonder if this skews the average way down for the whole sample set. For example, if you look at the salaries reported by founders of companies with teams >25 the average salary is much higher.