Hi Mia,
Unfortunately, I do not have the answer to your question and I would assume that it varies greatly between people.
It would be difficult to find an exact number/statistic for Lama Lama specifically. I can suggest that you research Cape York generally and similar remote communities that may have crossover data that could be applicable to Lama Lama.
This website may be useful: Area Search – Cape York
Kind regards,
Evelyn