You must have have a hard time understanding simple concepts. Perhaps I need to draw you a picture.
If their are 18 reservations for a road, then obviously 2 more will meet the minimum. So, if W&LE needs 2 more reservations to get done, I will add 2 more.
Do you need a calculator to understand simple math?
Because you're never going to know how many reservations there are for each. That's why. Even when I reserved the number required to make the F7 demonstrators I never knew the total number done, only the number I needed to purchase at the end. He and the builder will make the decision on which variants are a go and you're only going to know if it's a no go when reservations close and all the numbers are set for the builder. You're done. He never publishes the numbers for each variation.