| Value | Category | Cases | |
|---|---|---|---|
| 1 | Essential | 1292 |
40.9%
|
| 2 | Desirable | 1536 |
48.6%
|
| 3 | Neither | 326 |
10.3%
|
| 8 | Do not know | 6 |
0.2%
|
| Sysmiss | 4 |