| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Less than half hour | 3635 | 10578120 |
68.6%
|
| 2 | Half an hour | 786 | 2360049 |
15.3%
|
| 3 | More than one hour | 65 | 217090 |
1.4%
|
| 8 | DK | 2 | 7711 |
0%
|
| 99 | Not stated | 725 | 2265898 |
14.7%
|
| Sysmiss | 5703 | 16339050 |