| Value | Category | Cases | |
|---|---|---|---|
| 1 | less than 1/2h | 4690 |
80.4%
|
| 2 | 1/2- 1h | 1034 |
17.7%
|
| 3 | more than 1h | 106 |
1.8%
|
| 8 | dk | 4 |
0.1%
|
| 9 | missing | 1 |
0%
|
| Sysmiss | 45473 |