| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 3239 |
11.7%
|
| 2 | Weak | 9173 |
33.2%
|
| 3 | Strong | 13562 |
49.1%
|
| 4 | Very strong | 1666 |
6%
|
| Sysmiss | 14372 |