| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 15 minutes | 1965 |
15.7%
|
| 2 | Between 15 and 30 minutes | 3547 |
28.4%
|
| 3 | Between 31 and 60 minutes | 3963 |
31.8%
|
| 4 | More than 60 minutes | 2973 |
23.8%
|
| 5 | Don?t know | 32 |
0.3%
|