| Value | Category | Cases | |
|---|---|---|---|
| 1 | Essential | 938 |
29.9%
|
| 2 | Desirable | 1711 |
54.5%
|
| 3 | Neither | 479 |
15.3%
|
| 8 | Do not know | 9 |
0.3%
|
| Sysmiss | 27 |