| Value | Category | Cases | |
|---|---|---|---|
| 1 | No time | 12865 |
3.2%
|
| 2 | Less than 2 hours | 60629 |
15.2%
|
| 3 | 2 up to 4 hours | 137538 |
34.5%
|
| 4 | 4 up to 6 hours | 130350 |
32.7%
|
| 5 | 6 or more hours | 42519 |
10.7%
|
| 7 | N/A | 2686 |
0.7%
|
| 8 | Invalid | 6090 |
1.5%
|
| 9 | Missing | 6073 |
1.5%
|