| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0.1%
|
| 0 | Never | 405 |
36.7%
|
| 1 | Just once or twice | 232 |
21%
|
| 2 | Several times | 303 |
27.4%
|
| 3 | Many times | 138 |
12.5%
|
| 4 | Always | 24 |
2.2%
|
| 9 | Don't Know | 1 |
0.1%
|
| 998 | Refused | 0 |
0%
|