| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 900 |
75%
|
| 1 | Just once or twice | 51 |
4.3%
|
| 2 | Several times | 126 |
10.5%
|
| 3 | Many times | 80 |
6.7%
|
| 4 | Always | 42 |
3.5%
|
| 9 | Don't Know | 1 |
0.1%
|
| 98 | Refused | 0 |
0%
|