| Value | Category | Cases | |
|---|---|---|---|
| 1 | Essential | 1533 |
53.3%
|
| 2 | Desirable | 1146 |
39.9%
|
| 3 | Neither | 188 |
6.5%
|
| 8 | (Do not know) | 7 |
0.2%
|
| Sysmiss | 30 |