| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 9964 |
21.7%
|
| 2 | Very weak | 3268 |
7.1%
|
| 3 | Weak | 8810 |
19.2%
|
| 4 | Strong | 19460 |
42.4%
|
| 5 | Very strong | 4427 |
9.6%
|
| Sysmiss | 24707 |