But as there are different charts, some showing above, so showing static or slightly down.
You can't just blindly pick the 1 that fits your opinion, thats not very objective.
Until we work out which 1 is valid the answer is still, WE DO NOT KNOW THE ANSWER.
Idiot, there are FOUR charts there, all by different sources. Try reading. It is not "blindly picked" . They are ALL valid. It is from a NASA website. Seriously get a fucking clue.