| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 6 |
0.5%
|
| 0 | Never | 608 |
50.7%
|
| 1 | Just once or twice | 124 |
10.3%
|
| 2 | Several times | 135 |
11.3%
|
| 3 | Many times | 137 |
11.4%
|
| 4 | Always | 188 |
15.7%
|
| 9 | Don't Know | 2 |
0.2%
|
| 998 | Refused | 0 |
0%
|