| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1003 |
83.6%
|
| 1 | Just once or twice | 41 |
3.4%
|
| 2 | Several times | 58 |
4.8%
|
| 3 | Many times | 33 |
2.8%
|
| 4 | Always | 64 |
5.3%
|
| 9 | Don't Know | 1 |
0.1%
|
| 998 | Refused | 0 |
0%
|