| Value | Category | Cases | |
|---|---|---|---|
| 1 | Essential | 2091 |
73.6%
|
| 2 | Desirable | 619 |
21.8%
|
| 3 | Neither | 125 |
4.4%
|
| 8 | Do not know | 5 |
0.2%
|
| Sysmiss | 10 |