| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 900 |
75%
|
| 1 | Just once or twice | 191 |
15.9%
|
| 2 | Several times | 69 |
5.8%
|
| 3 | Many times | 29 |
2.4%
|
| 4 | Always | 8 |
0.7%
|
| 9 | Don't Know | 3 |
0.3%
|
| 98 | Refused | 0 |
0%
|