| Value | Category | Cases | |
|---|---|---|---|
| 1 | Essential | 1275 |
44.8%
|
| 2 | Desirable | 1138 |
40%
|
| 3 | Neither | 414 |
14.6%
|
| 8 | Do not know | 18 |
0.6%
|
| Sysmiss | 5 |