| Value | Category | Cases | |
|---|---|---|---|
| 1 | daily | 16 |
0.3%
|
| 2 | less than daily | 27 |
0.5%
|
| 3 | not at all | 4857 |
98.5%
|
| 8 | don't know | 30 |
0.6%
|
| 9 | refused | 0 |
0%
|
| Sysmiss | 1142 |