| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 15534 |
33.8%
|
| 2 | Very weak | 3126 |
6.8%
|
| 3 | Weak | 7287 |
15.9%
|
| 4 | Strong | 16926 |
36.9%
|
| 5 | Very strong | 3056 |
6.7%
|
| Sysmiss | 24707 |