| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 1974 |
14.2%
|
| 2 | Very weak | 406 |
2.9%
|
| 3 | Weak | 1573 |
11.3%
|
| 4 | Strong | 6988 |
50.2%
|
| 5 | Very strong | 2988 |
21.5%
|
| Sysmiss | 11513 |