| Value | Category | Cases | |
|---|---|---|---|
| 1 | DAILY | 7 |
0.2%
|
| 2 | LESS THAN DAILY | 24 |
0.5%
|
| 3 | NOT AT ALL | 4424 |
98.8%
|
| 7 | DON'T KNOW | 23 |
0.5%
|
| 9 | REFUSED | 1 |
0%
|
| Sysmiss | 92 |