| Value | Category | Cases | |
|---|---|---|---|
| 0 | 14 |
1.9%
|
|
| 1 | Informant busy | 116 |
15.3%
|
| 2 | Members away from home | 350 |
46.3%
|
| 3 | Informant non co-operative | 46 |
6.1%
|
| 8 | Invalid | 6 |
0.8%
|
| 9 | Others | 224 |
29.6%
|