| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 728 |
60.7%
|
| 1 | Just once or twice | 76 |
6.3%
|
| 2 | Several times | 139 |
11.6%
|
| 3 | Many times | 149 |
12.4%
|
| 4 | Always | 108 |
9%
|
| 9 | Don't Know | 0 |
0%
|
| 998 | Refused | 0 |
0%
|