| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 15 minutes | 8002 |
11.2%
|
| 2 | 15-30 minutes | 9549 |
13.4%
|
| 3 | 31-60 minutes | 2991 |
4.2%
|
| 4 | 61-90 minutes | 303 |
0.4%
|
| 5 | More than 90 minutes | 60 |
0.1%
|
| 6 | Do not know | 52 |
0.1%
|
| 8 | Not applicable | 49332 |
69.3%
|
| 9 | Unspecified | 848 |
1.2%
|