| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES, AT LEAST ONCE | 8146 |
38.8%
|
| 2 | NO, ALWAYS SUFFICIENT | 11686 |
55.7%
|
| 8 | DK | 1102 |
5.3%
|
| 9 | NO RESPONSE | 40 |
0.2%
|
| Sysmiss | 406 |