| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES, AT LEAST ONCE | 148 |
12.7%
|
| 2 | NO, ALWAYS SUFFICIENT | 692 |
59.4%
|
| 8 | DK | 13 |
1.1%
|
| 9 | NO RESPONSE | 1 |
0.1%
|
| Sysmiss | 311 |
26.7%
|