| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES, AT LEAST ONCE | 4735 |
23.1%
|
| 2 | NO, ALWAYS SUFFICIENT | 15017 |
73.1%
|
| 8 | DK | 262 |
1.3%
|
| 9 | NO RESPONSE | 16 |
0.1%
|
| Sysmiss | 510 |
2.5%
|