| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 29 |
0.7%
|
| 2 | 5-6 days per week | 14 |
0.4%
|
| 3 | 3-4 days per week | 22 |
0.6%
|
| 4 | 1-2 days per week | 147 |
3.7%
|
| 5 | 1-3 days per month | 1131 |
28.5%
|
| 6 | Less than once a month | 2536 |
63.8%
|
| 7 | Never | 96 |
2.4%
|
| Sysmiss | 2679 |