Everyone has 390 at level 60.
Do a reset and check your total.
The cost increases by 1 every 5 levels.
So it costs 15 points to get 10 levels in one attribute, another 35 to get to level 20 (total of 50), then another 55 to get to level 30 (total of 105), etc.
So they may appear to have more if the points are more spread out.
Your Stats:
30 Grit = 105 Points
40 Encumbrance = 180 Points
30 Survival = 105 Points
Total = 390