| Value | Category | Cases | |
|---|---|---|---|
| -9 | missing | 1 |
0.5%
|
| -8 | dont know | 0 |
0%
|
| -7 | na | 0 |
0%
|
| 1 | daily | 3 |
1.5%
|
| 2 | weekly | 7 |
3.5%
|
| 3 | sometimes | 39 |
19.6%
|
| 4 | never | 149 |
74.9%
|