| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than an hour | 2385 |
17%
|
| 2 | 1 hour ? 3 hours | 4875 |
34.8%
|
| 3 | 4 hours ? 5 hours | 2824 |
20.2%
|
| 4 | 6 hours ? 8 hours | 1721 |
12.3%
|
| 5 | 9 hour ? 10 hours | 885 |
6.3%
|
| 6 | 11 hours ? 15 hours | 651 |
4.7%
|
| 7 | 16 hours ? 20 hours | 147 |
1.1%
|
| 8 | 21 hours ? 24 hours | 506 |
3.6%
|