| Value | Category | Cases | |
|---|---|---|---|
| 1 | Essential | 2120 |
73.7%
|
| 2 | Desirable | 589 |
20.5%
|
| 3 | Neither | 154 |
5.4%
|
| 8 | (Do not know) | 15 |
0.5%
|
| Sysmiss | 26 |