This file defines the xp value received by the NPC/PC for successfully performed action.
first column contains of the identifiers of performed action.
next columns marked by numbers from 1 to 40 consists of the values of xp given NPC for successful action. Numbers in the first row indicates the level of the ability.
On example of BG2 ToB:

2DA V1.0
0
              1    2    3    4    5    6    7    8    9    10   11   12   13   14   15   16   17   18   19   20   21   22   23   24   25   26   27   28   29   30   31   32   33   34   35   36   37   38   39   40
PICK_LOCK     250  250  250  250  250  400  400  400  400  400  950  950  950  950  950  1550 1550 1550 1550 1550 1550 1550 1550 1550 1550 1550 1550 1550 1550 1550 1550 1550 1550 1550 1550 1550 1550 1550 1550 1550
DISARM_TRAP   1000 1000 1000 1000 1000 1750 1750 1750 1750 1750 2750 2750 2750 2750 2750 3250 3250 3250 3250 3250 3250 3250 3250 3250 3250 3250 3250 3250 3250 3250 3250 3250 3250 3250 3250 3250 3250 3250 3250 3250
LEARN_SPELL   1000 2000 3000 4000 5000 6000 7000 8000 9000 0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0