| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES, AT LEAST ONCE | 2408 |
20%
|
| 2 | NO, ALWAYS SUFFICIENT | 8673 |
72.2%
|
| 8 | DK | 10 |
0.1%
|
| Sysmiss | 921 |
7.7%
|