| Value | Category | Cases | |
|---|---|---|---|
| 1 | Essential | 393 |
13.6%
|
| 2 | Desirable | 1740 |
60.4%
|
| 3 | Neither | 669 |
23.2%
|
| 8 | (Do not know) | 78 |
2.7%
|
| Sysmiss | 24 |