| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 15 minutes | 4139 |
5.8%
|
| 2 | 15-30 minutes | 7335 |
10.3%
|
| 3 | 31-60 minutes | 4552 |
6.4%
|
| 4 | 61-90 minutes | 1005 |
1.4%
|
| 5 | More than 90 minutes | 206 |
0.3%
|
| 6 | Do not know | 218 |
0.3%
|
| 8 | Not applicable | 53319 |
75%
|
| 9 | Unspecified | 363 |
0.5%
|