| Value | Category | Cases | |
|---|---|---|---|
| 0 | nr | 0 |
0%
|
| 1 | complete assistance | 838 |
28.2%
|
| 2 | some assistance | 1947 |
65.6%
|
| 3 | no assistance | 164 |
5.5%
|
| 4 | don't know | 20 |
0.7%
|
| 30 | 1 |
0%
|
|
| Sysmiss | 30 |