| Value | Category | Cases | |
|---|---|---|---|
| 1 | Essential | 962 |
33.3%
|
| 2 | Desirable | 1560 |
54.1%
|
| 3 | Neither | 335 |
11.6%
|
| 8 | (Do not know) | 28 |
1%
|
| Sysmiss | 19 |