| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 127 |
5.8%
|
| 2 | Weak | 192 |
8.7%
|
| 3 | Strong | 1575 |
71.3%
|
| 4 | Very strong | 314 |
14.2%
|
| Sysmiss | 39804 |