| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES, AT LEAST ONCE | 2456 |
17.4%
|
| 2 | NO, ALWAYS SUFFICIENT | 9747 |
69%
|
| 8 | DK | 37 |
0.3%
|
| 9 | NO RESPONSE | 30 |
0.2%
|
| Sysmiss | 1850 |
13.1%
|