| Value | Category | Cases | |
|---|---|---|---|
| 1 | Essential | 402 |
14.2%
|
| 2 | Desirable | 1354 |
47.7%
|
| 3 | Neither | 1053 |
37.1%
|
| 8 | Do not know | 30 |
1.1%
|
| Sysmiss | 11 |