| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 713 |
59.4%
|
| 1 | Just once or twice | 127 |
10.6%
|
| 2 | Several times | 164 |
13.7%
|
| 3 | Many times | 115 |
9.6%
|
| 4 | Always | 81 |
6.8%
|
| 9 | Don't Know | 0 |
0%
|
| 998 | Refused | 0 |
0%
|