| Value | Category | Cases | |
|---|---|---|---|
| 1 | Essential | 1983 |
68.9%
|
| 2 | Desirable | 737 |
25.6%
|
| 3 | Neither | 151 |
5.3%
|
| 8 | (Do not know) | 5 |
0.2%
|
| Sysmiss | 28 |