| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 16 minutes | 3947 |
5.6%
|
| 2 | 16 - 30 minutes | 5205 |
7.4%
|
| 3 | 31 - 60 minutes | 3911 |
5.6%
|
| 4 | 61 - 90 minutes | 1060 |
1.5%
|
| 5 | More than 90 minutes | 701 |
1%
|
| 6 | Do not know | 186 |
0.3%
|
| 8 | Not applicable | 55325 |
78.7%
|
| 9 | Unspecified | 4 |
0%
|