Powering up will distort the numbers slightly, there is not much I can do about that.

However it is unlikely that people will be powering up a lot, in comparision to the amount of SP they already own. I power up about 50 STEEM a week, and hold 9,000 in total. This is about 4%? And so not much of a change to the numbers.

In any case, that person will 'fall' in the table and not rise, which at least means they don't fix the results in their favor.

Thanks for pointing this out, and thanks for the kind comments too!