| Value | Category | Cases | |
|---|---|---|---|
| 1 | Essential | 1768 |
61.3%
|
| 2 | Desirable | 970 |
33.6%
|
| 3 | Neither | 138 |
4.8%
|
| 8 | (Do not know) | 9 |
0.3%
|
| Sysmiss | 19 |