Lv2 2,686 - 2,668
Lv3 8,442 - 6,500
Lv4 22,860 - 17,602
Lv5 24,571 - 18,919 <— This seems a bit underwhelming.
Lv6 60,312 - 46,440
Lv7 142,150 - 109,455
Lv8 209,334 - 161,187
This forum suggests this thread is very similar to one posted on 4th Apr, and it is, good feature, but I refrained from bumping that one for thread necromancy.