| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 2138 |
97%
|
| 1 | (1-2) times | 34 |
1.5%
|
| 2 | (3-10) times | 22 |
1%
|
| 3 | More than 10 times | 7 |
0.3%
|
| 9 | I don’t know/ no answer | 3 |
0.1%
|