| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES, AT LEAST ONCE | 1352 |
10.2%
|
| 2 | NO, ALWAYS SUFFICIENT | 11511 |
87.2%
|
| 8 | DK | 22 |
0.2%
|
| 9 | NO RESPONSE | 1 |
0%
|
| Sysmiss | 316 |
2.4%
|