| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not using it every day | 363 |
11.1%
|
| 1 | Less than a hour | 1035 |
31.6%
|
| 2 | 1 to 6 hours daily | 1634 |
49.8%
|
| 3 | More than 6 hours a day | 247 |
7.5%
|
| Sysmiss | 11598 |