| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 0 | None | 7103 | 20255483 |
90.1%
|
| 1 | Yes, tried | 407 | 1417061 |
6.3%
|
| 2 | Yes, regularly | 251 | 806178 |
3.6%
|
| 99 | Not stated | 0 | 0 |
0%
|
| Sysmiss | 3155 | 9289195 |