Dr.RenalNash said:

Whatever the answer turns out to be, the method for getting there is the same: state the assumption, do the arithmetic in public, and invite the…

Coming at Dr.RenalNash’s question from a different direction. It helps to say which part of this you are uncertain about. A precise question gets a precise answer; a general one gets everybody’s favourite anecdote.

If somebody has the primary source to hand I would rather cite it than paraphrase it.

The figures, for anyone assembling their own picture. One practical note: write down what you did and when, before you need it. Reconstructing a timeline from memory three months later is how people end up unable to answer the one question that would have resolved it.

One thing that is still open after Dr.RenalNash’s answer:

What would you measure differently if you were starting again?

Dr.PathRoch said:

One practical note: write down what you did and when, before you need it.

I do not accept the framing. The question has been narrowed to the version that has a tidy answer, and the part that was dropped is the part the OP actually asked about.

Dr.PathRoch said:

One practical note: write down what you did and when, before you need it.

True, with the qualification that this is a self-selected group. The people for whom it did not work post less, and that shapes everything we think we know.