| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, at least once | 4202 |
8.1%
|
| 2 | No, always sufficient | 47267 |
91.5%
|
| 8 | Dk | 179 |
0.3%
|
| 9 | No response | 12 |
0%
|
| Sysmiss | 2180 |