| Value | Category | Cases | |
|---|---|---|---|
| 0 | nr | 0 |
0%
|
| 1 | complete assistance | 962 |
32.3%
|
| 2 | some assistance | 1947 |
65.3%
|
| 3 | no assistance | 60 |
2%
|
| 4 | don't know | 10 |
0.3%
|
| 15 | 1 |
0%
|
|
| Sysmiss | 20 |