| Value | Category | Cases | |
|---|---|---|---|
| 1 | Essential | 1672 |
58.9%
|
| 2 | Desirable | 908 |
32%
|
| 3 | Neither | 242 |
8.5%
|
| 8 | Do not know | 17 |
0.6%
|
| Sysmiss | 11 |