| Value | Category | Cases | |
|---|---|---|---|
| 1 | No time | 51035 |
12.8%
|
| 2 | Less than 2 hours | 174673 |
43.8%
|
| 3 | 2 up to 4 hours | 100467 |
25.2%
|
| 4 | 4 up to 6 hours | 38670 |
9.7%
|
| 5 | 6 or more hours | 19688 |
4.9%
|
| 7 | N/A | 2678 |
0.7%
|
| 8 | Invalid | 3765 |
0.9%
|
| 9 | Missing | 7774 |
1.9%
|