| Value | Category | Cases | |
|---|---|---|---|
| 1 | daily | 6 |
0.1%
|
| 2 | less than daily | 24 |
0.4%
|
| 3 | not at all | 4818 |
81.1%
|
| 8 | don't know | 304 |
5.1%
|
| 9 | refused | 786 |
13.2%
|
| Sysmiss | 381 |