| Value | Category | Cases | |
|---|---|---|---|
| 1 | a.daily | 3557 |
14.6%
|
| 2 | b.weekly | 1746 |
7.2%
|
| 3 | c.monthly | 1416 |
5.8%
|
| 4 | d.a few times a year | 1371 |
5.6%
|
| 5 | e.never | 11376 |
46.7%
|
| 6 | f.refused | 197 |
0.8%
|
| 7 | g.don't know | 414 |
1.7%
|
| Missing value | 4295 |
17.6%
|