| Value | Category | Cases | |
|---|---|---|---|
| 1 | Essential | 1128 |
39.7%
|
| 2 | Desirable | 1245 |
43.8%
|
| 3 | Neither | 446 |
15.7%
|
| 8 | Do not know | 24 |
0.8%
|
| Sysmiss | 7 |