| Value | Category | Cases | |
|---|---|---|---|
| 1 | Essential | 2183 |
75.7%
|
| 2 | Desirable | 630 |
21.8%
|
| 3 | Neither | 70 |
2.4%
|
| 8 | (Do not know) | 2 |
0.1%
|
| Sysmiss | 19 |