| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 15 minutes | 2091 |
16.8%
|
| 2 | Between 15 and 30 minutes | 2850 |
22.8%
|
| 3 | Between 31 and 60 minutes | 2399 |
19.2%
|
| 4 | More than 60 minutes | 4152 |
33.3%
|
| 5 | Don?t know | 988 |
7.9%
|