| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES, AT LEAST ONCE | 855 |
12.3%
|
| 2 | NO, ALWAYS SUFFICIENT | 6105 |
87.6%
|
| 8 | DK | 8 |
0.1%
|
| 9 | NO RESPONSE | 0 |
0%
|
| Sysmiss | 232 |