| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1560 |
94.5%
|
|
| 1 | 90 |
5.5%
|
|
| 4 | Not Ill | 0 |
0%
|
| 5 | Quite ill | 0 |
0%
|
| 6 | Very Ill | 0 |
0%
|
| Sysmiss | 2 |