| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 15 minutes | 8357 |
38.7%
|
| 2 | 15–29 minutes | 9175 |
42.5%
|
| 3 | 30–89 minutes | 3459 |
16%
|
| 4 | 90 minutes and more | 399 |
1.8%
|
| 5 | Do not know | 33 |
0.2%
|
| 9 | Unspecified | 178 |
0.8%
|