| Value | Category | Cases | |
|---|---|---|---|
| 1 | Essential | 1675 |
58.9%
|
| 2 | Desirable | 862 |
30.3%
|
| 3 | Neither | 295 |
10.4%
|
| 8 | Do not know | 11 |
0.4%
|
| Sysmiss | 7 |