| Value | Category | Cases | |
|---|---|---|---|
| 1 | Essential | 1658 |
57.7%
|
| 2 | Desirable | 952 |
33.1%
|
| 3 | Neither | 247 |
8.6%
|
| 8 | (Do not know) | 15 |
0.5%
|
| Sysmiss | 32 |