| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 1 hour per day | 49 |
35.3%
|
| 2 | 1 to 2 hours per day | 23 |
16.5%
|
| 3 | 3 to 4 hours per day | 26 |
18.7%
|
| 4 | 5 to 6 hours per day | 15 |
10.8%
|
| 5 | 7 to 8 hours per day | 5 |
3.6%
|
| 6 | More than 8 hours per day | 21 |
15.1%
|
| Sysmiss | 1 |