| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 0 | None | 1914 | 1858 |
59.6%
|
| 1 | once or twice | 493 | 516 |
16.5%
|
| 2 | 3 to 10 times | 498 | 510 |
16.4%
|
| 3 | more than 10 times | 211 | 228 |
7.3%
|
| 9 | Don't know/No answer | 2 | 7 |
0.2%
|
| Sysmiss | 4 | 2 |