| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 8 |
0.7%
|
| 0 | Never | 1070 |
89.8%
|
| 1 | Once | 47 |
3.9%
|
| 2 | Twice | 17 |
1.4%
|
| 3 | Three or more times | 9 |
0.8%
|
| 9 | Don't know / Can't remember | 40 |
3.4%
|
| 98 | Refused | 0 |
0%
|