| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 0 | None | 10070 | 19321783 |
90.4%
|
| 1 | Yes, tried | 552 | 1295898 |
6.1%
|
| 2 | Yes, regularly | 354 | 751966 |
3.5%
|
| 99 | Not stated | 0 | 0 |
0%
|
| Sysmiss | 4053 | 8548422 |