| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 5 |
0.2%
|
| 0 | Never | 1769 |
73.7%
|
| 1 | Just once or twice | 261 |
10.9%
|
| 2 | Several times | 232 |
9.7%
|
| 3 | Many times | 82 |
3.4%
|
| 4 | Always | 46 |
1.9%
|
| 9 | Don't Know | 5 |
0.2%
|
| 98 | Refused | 0 |
0%
|