| Value | Category | Cases | |
|---|---|---|---|
| 1 | Essential | 1212 |
42.6%
|
| 2 | Desirable | 1170 |
41.2%
|
| 3 | Neither | 449 |
15.8%
|
| 8 | Do not know | 12 |
0.4%
|
| Sysmiss | 7 |