Per unit of code or as an absolute value? That's significant, but not even the whole picture. It's trivial to have a low (absolute and per-unit) number if the t

Per unit of code or as an absolute value? That's significant, but not even the whole picture. It's trivial to have a low (absolute and per-unit) number if the total number of units is low, for example. So by itself your fact is almost useless.