| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 481 |
43.6%
|
| 1 | Just once or twice | 252 |
22.8%
|
| 2 | Several times | 241 |
21.8%
|
| 3 | Many times | 107 |
9.7%
|
| 4 | Always | 23 |
2.1%
|
| 9 | Don't Know | 0 |
0%
|
| 998 | Refused | 0 |
0%
|