| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 21 |
0.7%
|
| 2 | 5-6 days per week | 24 |
0.7%
|
| 3 | 1-4 days per week | 172 |
5.4%
|
| 4 | 1-3 days per month | 972 |
30.3%
|
| 5 | less than once a month | 2017 |
62.8%
|
| 88 | Refused | 5 |
0.2%
|
| Sysmiss | 2227 |