| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES, AT LEAST ONCE | 490 |
25.3%
|
| 2 | NO, ALWAYS SUFFICIENT | 1280 |
66.2%
|
| 8 | DK | 4 |
0.2%
|
| Sysmiss | 160 |
8.3%
|