Originally Posted by dr_lha

I think you may be hitting on a pet peeve of mine here. A "trend" is not something that you can see, but is statistically insignificant. Trends have to have a proven statistical significance to be meaningful. The "trend" they show here is consistent with a the trend they report, no trend, and an opposite trend, as far as I can see. If any trend exists, it's certainly not 99% significant, we'll agree on that!