| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 15 minutes | 143 |
14.3%
|
| 2 | 15-30 minutes | 77 |
7.7%
|
| 3 | More than 30 minutes | 13 |
1.3%
|
| 4 | Do not know | 0 |
0%
|
| 8 | Not applicable | 759 |
76.1%
|
| 9 | Unspecified | 6 |
0.6%
|