| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 1 hour per day | 4055 |
40.2%
|
| 2 | 1 to 2 hours per day | 2764 |
27.4%
|
| 3 | 3 to 4 hours per day | 1650 |
16.3%
|
| 4 | 5 to 6 hours per day | 725 |
7.2%
|
| 5 | 7 to 8 hours per day | 321 |
3.2%
|
| 6 | More than 8 hours per day | 583 |
5.8%
|
| Sysmiss | 77 |