| Value | Category | Cases | |
|---|---|---|---|
| -1 | 47 |
2%
|
|
| 0 | Never | 1877 |
78.2%
|
| 1 | Once | 236 |
9.8%
|
| 2 | Twice | 94 |
3.9%
|
| 3 | Three or more times | 30 |
1.3%
|
| 9 | Don’t know / Can’t remember | 116 |
4.8%
|
| 98 | Refused | 0 |
0%
|