| Value | Category | Cases | |
|---|---|---|---|
| 1 | a.daily | 3198 |
13.4%
|
| 2 | b.weekly | 2097 |
8.8%
|
| 3 | c.monthly | 1833 |
7.7%
|
| 4 | d.a few times a year | 1629 |
6.8%
|
| 5 | e.never | 10916 |
45.6%
|
| 6 | f.refused | 13 |
0.1%
|
| 7 | g.don't know | 131 |
0.5%
|
| Missing value | 4137 |
17.3%
|