| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1118 |
93.2%
|
| 1 | Only once | 19 |
1.6%
|
| 2 | A few times | 20 |
1.7%
|
| 3 | Often | 5 |
0.4%
|
| 9 | Don't know [Do not read] | 38 |
3.2%
|
| 998 | Refused | 0 |
0%
|