This file defines amount of HP healed by Paladin in respect to his level.
The first column is filled by class name.
The first row is filled by numbers indicating level.
The next row(s) contain of the number of HP healed by this ability.
In IWD2 we have:

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
PALADIN    2          4          6          8          10         12         14         16         18         20         22         24         26         28         30         32         34         36         38         40         42         44         46         48         50         52         54         56         58         60         62         64         66         68         70         72         74         76         78         80