| Value | Category | Cases | |
|---|---|---|---|
| 1 | less than 30 mins | 6227 |
91.5%
|
| 2 | 30 - 60 mins | 447 |
6.6%
|
| 3 | more than one hour | 133 |
2%
|
| a | Don't know | 0 | |
| z | Not applicable | 0 |