| Value | Category | Cases | |
|---|---|---|---|
| 1 | Essential | 889 |
30.8%
|
| 2 | Desirable | 1526 |
52.9%
|
| 3 | Neither | 447 |
15.5%
|
| 8 | (Do not know) | 22 |
0.8%
|
| Sysmiss | 20 |