| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 15 minutes | 5538 |
5.9%
|
| 2 | 15-30 minutes | 9060 |
9.7%
|
| 3 | 31-60 minutes | 5671 |
6%
|
| 4 | 61-90 minutes | 1206 |
1.3%
|
| 5 | More than 90 minutes | 322 |
0.3%
|
| 6 | Do not know | 236 |
0.3%
|
| 8 | Not applicable | 71276 |
76%
|
| 9 | Unspecified | 440 |
0.5%
|