| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0.1%
|
| 0 | Never | 811 |
67.6%
|
| 1 | Just once or twice | 149 |
12.4%
|
| 2 | Several times | 123 |
10.3%
|
| 3 | Many times | 80 |
6.7%
|
| 4 | Always | 30 |
2.5%
|
| 9 | Don't Know | 6 |
0.5%
|
| 98 | Refused | 0 |
0%
|