| Value | Category | Cases | |
|---|---|---|---|
| 1 | Sufficient | 582 |
13.2%
|
| 2 | Sufficient to certain extent | 598 |
13.6%
|
| 3 | Not sufficient | 442 |
10%
|
| 4 | Long | 221 |
5%
|
| 8 | Don't know | 53 |
1.2%
|
| Sysmiss | 2509 |