| Value | Category | Cases | |
|---|---|---|---|
| 1 | Essential | 556 |
19.3%
|
| 2 | Desirable | 1566 |
54.4%
|
| 3 | Neither | 699 |
24.3%
|
| 8 | (Do not know) | 57 |
2%
|
| Sysmiss | 26 |