| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 16 |
0.2%
|
| -7 | DON'T KNOW | 32 |
0.3%
|
| 1 | DAILY | 28 |
0.3%
|
| 2 | LESS THAN DAILY | 361 |
3.4%
|
| 3 | NOT AT ALL | 10126 |
95.9%
|
| Sysmiss | 114 |