| Value | Category | Cases | |
|---|---|---|---|
| -9 | missing | 1 |
0.5%
|
| -8 | dont know | 0 |
0%
|
| -7 | na | 0 |
0%
|
| 1 | daily | 3 |
1.5%
|
| 2 | weekly | 37 |
18.6%
|
| 3 | sometimes | 90 |
45.2%
|
| 4 | never | 68 |
34.2%
|