| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 2 |
0.1%
|
| 0 | Never | 1340 |
55.9%
|
| 1 | Just once or twice | 426 |
17.8%
|
| 2 | Several times | 428 |
17.8%
|
| 3 | Many times | 171 |
7.1%
|
| 4 | Always | 29 |
1.2%
|
| 9 | Don't Know | 2 |
0.1%
|
| 98 | Refused | 0 |
0%
|