| Value | Category | Cases | |
|---|---|---|---|
| 1 | Essential | 2086 |
66.1%
|
| 2 | Desirable | 967 |
30.6%
|
| 3 | Neither | 100 |
3.2%
|
| 8 | Do not know | 5 |
0.2%
|
| Sysmiss | 6 |