| Value | Category | Cases | |
|---|---|---|---|
| -2 | don't know | 5 |
1.3%
|
| -1 | refuse | 0 |
0%
|
| 1 | Les then15 minutes | 221 |
59.1%
|
| 2 | 15-30 minutes | 98 |
26.2%
|
| 3 | 31-60 minutes | 24 |
6.4%
|
| 4 | 1-2 hours | 16 |
4.3%
|
| 5 | More then 2 hours | 10 |
2.7%
|
| Sysmiss | 675 |