| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 15 minutes | 8229 |
11.1%
|
| 2 | 15–30 minutes | 9715 |
13%
|
| 3 | 31–60 minutes | 3276 |
4.4%
|
| 4 | 61–90 minutes | 460 |
0.6%
|
| 5 | More than 90 minutes | 124 |
0.2%
|
| 6 | Do not know | 68 |
0.1%
|
| 8 | Not applicable | 51727 |
69.5%
|
| 9 | Unspecified | 850 |
1.1%
|