The Bitcoin ATM Machines are being installed almost in every continent with some continent having large numbers and some very few numbers.
When you say/put it in this ways, it mean or could mean that there is an unfair distribution or just a random distribution of Bitcoin ATM by bitcoin ATM distributor, by some anonymous owners who chooses to favour some over others and many more.
If a government of an area accepts and see the need of an instalment of Bitcoin ATM in there area of jurisdiction then arrangement for one can be made Bitcoin ATM are not distributed/installed randomly.
The Bitcoin ATM Machines are being installed almost in every continent with some continent having large numbers and some very few numbers.
This does not imply randomly. You don't install any gadget, appliances or ATM just randomly.
In economies, you consider certain factors to production or factors to consider be building an industry., which are access to road, labour. land etc
Now, for ATM installation, it is adoption level. So, it depends on the level of awareness, adoption and usage.