| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 2 |
0.2%
|
| 0 | Never | 1032 |
86%
|
| 1 | Once | 86 |
7.2%
|
| 2 | Twice | 27 |
2.3%
|
| 3 | Three or more times | 53 |
4.4%
|
| 9 | Don't know / Can't remember | 0 |
0%
|
| 98 | Refused | 0 |
0%
|