It's too bad indeed that the labels are rounded to one digit, but at least the plot bars are from unrounded data (as the second figure with 6%, 7% and 8% bars m

It's too bad indeed that the labels are rounded to one digit, but at least the plot bars are from unrounded data (as the second figure with 6%, 7% and 8% bars makes it clear), so I think readers still likely get the right impression of the effect size.