| Value | Category | Cases | |
|---|---|---|---|
| 1 | Essential | 670 |
23.4%
|
| 2 | Desirable | 1695 |
59.1%
|
| 3 | Neither | 464 |
16.2%
|
| 8 | (Do not know) | 38 |
1.3%
|
| Sysmiss | 37 |