| Value | Category | Cases | |
|---|---|---|---|
| 1 | most of the day | 41 |
1.3%
|
| 2 | couple times a day | 28 |
0.9%
|
| 3 | once a day | 16 |
0.5%
|
| 4 | at least once a week | 57 |
1.9%
|
| 5 | at least once a month | 23 |
0.8%
|
| 6 | less than once a month | 9 |
0.3%
|
| 7 | never | 9 |
0.3%
|
| 98 | don't know | 1 |
0%
|
| Missing value | 2871 |
94%
|