| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 544 |
49.3%
|
| 1 | Just once or twice | 192 |
17.4%
|
| 2 | Several times | 150 |
13.6%
|
| 3 | Many times | 141 |
12.8%
|
| 4 | Always | 71 |
6.4%
|
| 9 | Don't Know | 6 |
0.5%
|
| 98 | Refused | 0 |
0%
|