| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
0.3%
|
|
| 1 | Daily | 3 |
0.5%
|
| 2 | 5-6 days per week | 14 |
2.1%
|
| 3 | 3-4 days per week | 16 |
2.4%
|
| 4 | 1-2 days per week | 90 |
13.6%
|
| 5 | 1-3 days per month | 112 |
16.9%
|
| 6 | Less than once a month | 374 |
56.3%
|
| 7 | Don't know | 0 |
0%
|
| 88 | Refused | 53 |
8%
|
| Sysmiss | 1869 |