| Value | Category | Cases | |
|---|---|---|---|
| 1 | Essential | 1990 |
69%
|
| 2 | Desirable | 793 |
27.5%
|
| 3 | Neither | 96 |
3.3%
|
| 8 | (Do not know) | 3 |
0.1%
|
| Sysmiss | 22 |