I updated the calculation.

Now I split between the circulating Token supply and the total Token supply. I also included the present value of a perpetuity ("ewige Rente" in German) in the calculation to have a base for calculating a "fair" token price.

https://docs.google.com/spreadsheets/d/1w_0HDUp9vYymE_8VdmibAoszvZg4x6e4xpwigfuFonA/edit?usp=sharing