| Value | Category | Cases | |
|---|---|---|---|
| -3 | illegal missing | 0 |
0%
|
| -2 | dont know | 1 |
0.6%
|
| -1 | refuse | 0 |
0%
|
| 1 | Less then15 minutes | 44 |
27.5%
|
| 2 | 15-30 minutes | 87 |
54.4%
|
| 3 | 31-60 minutes | 14 |
8.8%
|
| 4 | 1-2 hours | 4 |
2.5%
|
| 5 | More then 2 hours | 10 |
6.3%
|
| Sysmiss | 865 |