| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 0 | None | 9154 | 9159 |
92.3%
|
| 1 | once or twice | 378 | 380 |
3.8%
|
| 2 | 3 to 10 times | 261 | 252 |
2.5%
|
| 3 | more than 10 times | 118 | 116 |
1.2%
|
| 9 | Don't know/No answer | 10 | 15 |
0.1%
|
| Sysmiss | 5 | 5 |