Three is way too few samples to draw any statistics from anyway. It does suggest untracked transmission in Japan. And that's about it. When I read that part I

Three is way too few samples to draw any statistics from anyway. It does suggest untracked transmission in Japan. And that's about it. When I read that part I was disappointed to have been lured into reading another iteration of "I multiply numbers without tracking associated uncertainty". Sigh. That stuff runs rampant at the moment.