| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 2 minutes | 29 |
64.4%
|
| 2 | 3-5 minutes | 8 |
17.8%
|
| 3 | 6-10 minutes | 4 |
8.9%
|
| 4 | 11-20 minutes | 2 |
4.4%
|
| 5 | More than 21 minutes | 2 |
4.4%
|
| 6 | Not sure | 0 |
0%
|
| 11 | .B | 10 | |
| Sysmiss | 44 |