| Value | Category | Cases | |
|---|---|---|---|
| 1 | Essential | 2321 |
80.6%
|
| 2 | Desirable | 473 |
16.4%
|
| 3 | Neither | 81 |
2.8%
|
| 8 | (Do not know) | 6 |
0.2%
|
| Sysmiss | 23 |