| Value | Category | Cases | |
|---|---|---|---|
| -2 | don't know | 6 |
1.6%
|
| -1 | refuse | 0 |
0%
|
| 1 | Les then15 minutes | 138 |
36.9%
|
| 2 | 15-30 minutes | 151 |
40.4%
|
| 3 | 31-60 minutes | 44 |
11.8%
|
| 4 | 1-2 hours | 19 |
5.1%
|
| 5 | More then 2 hours | 16 |
4.3%
|
| Sysmiss | 675 |