| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | never | 1030 |
76.3%
|
| 1 | sometimes | 191 |
14.1%
|
| 2 | often | 39 |
2.9%
|
| 3 | always | 16 |
1.2%
|
| 9 | don't know | 74 |
5.5%
|