| Value | Category | Cases | |
|---|---|---|---|
| 1 | Essential | 2316 |
81.6%
|
| 2 | Desirable | 451 |
15.9%
|
| 3 | Neither | 64 |
2.3%
|
| 8 | Do not know | 8 |
0.3%
|
| Sysmiss | 11 |