What I'm trying to say is: I do understand statistics and therefore the mean is something I would not use in my modelling when there is a high skew in the data

What I'm trying to say is: I do understand statistics and therefore the mean is something I would not use in my modelling when there is a high skew in the data: here, the skew appears to be incredibly high - so the mean (here called "R0") is not reliable at all.