| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Daily | 4 | 18127 |
0.1%
|
| 2 | Weekly | 17 | 57197 |
0.3%
|
| 3 | Rarely | 30 | 108334 |
0.5%
|
| 4 | Never | 7677 | 22199281 |
98.8%
|
| 99 | Not stated | 33 | 95784 |
0.4%
|
| Sysmiss | 3155 | 9289195 |