| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 755 |
63.4%
|
| 1 | Only Once | 136 |
11.4%
|
| 2 | A few times | 196 |
16.5%
|
| 3 | Often | 87 |
7.3%
|
| 9 | Don't know | 16 |
1.3%
|
| 998 | Refused | 0 |
0%
|