| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 67 |
0.1%
|
| 0 | Never | 19843 |
38.5%
|
| 1 | Less than one time per day | 8787 |
17%
|
| 2 | One or two times per day | 8516 |
16.5%
|
| 3 | Three or four times per day | 5221 |
10.1%
|
| 4 | Five or more times per day | 8612 |
16.7%
|
| 9 | Don't know | 541 |
1%
|
| 998 | Refused | 0 |
0%
|