| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES, AT LEAST ONCE | 617 |
10.3%
|
| 2 | NO, ALWAYS SUFFICIENT | 3195 |
53.3%
|
| 8 | DK | 13 |
0.2%
|
| 9 | NO RESPONSE | 1 |
0%
|
| Sysmiss | 2174 |
36.2%
|