| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 15 minutes | 4512 |
36.2%
|
| 2 | Between 15 and 30 minutes | 3381 |
27.1%
|
| 3 | Between 31 and 60 minutes | 2485 |
19.9%
|
| 4 | More than 60 minutes | 1561 |
12.5%
|
| 5 | Don?t know | 541 |
4.3%
|