| Value | Category | Cases | |
|---|---|---|---|
| 1 | Essential | 428 |
15.1%
|
| 2 | Desirable | 1335 |
47%
|
| 3 | Neither | 1053 |
37.1%
|
| 8 | Do not know | 26 |
0.9%
|
| Sysmiss | 8 |