So am I blind or do I not see the actual amount of data used? Avg MB or GB? if Apple 3g is the measure what was the avg user consuming on the 3g? How do I know

So am I blind or do I not see the actual amount of data used? Avg MB or GB? if Apple 3g is the measure what was the avg user consuming on the 3g? How do I know how much more 5s users are using if I don't have the baseline?