| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 15 minutes | 113 |
11.3%
|
| 2 | 15-30 minutes | 82 |
8.2%
|
| 3 | More than 30 minutes | 23 |
2.3%
|
| 4 | Do not know | 0 |
0%
|
| 8 | Not applicable | 780 |
78.2%
|
| 9 | Unspecified | 0 |
0%
|