Has an AFL game ever ended 183-99?
Exactly once. On May 31, 1980, Sydney beat Hawthorn 183-99, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 183-99 in league history.
That makes 183-99 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 184-99 has happened never and 183-100 has happened never.