| Value | Category | Cases | |
|---|---|---|---|
| 1 | Essential | 1711 |
60.2%
|
| 2 | Desirable | 941 |
33.1%
|
| 3 | Neither | 182 |
6.4%
|
| 8 | Do not know | 8 |
0.3%
|
| Sysmiss | 8 |