| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 5 |
0.7%
|
| 2 | 5-6 days per week | 13 |
1.9%
|
| 3 | 3-4 days per week | 21 |
3%
|
| 4 | 1-2 days per week | 124 |
17.7%
|
| 5 | 1-3 days per month | 237 |
33.9%
|
| 6 | Less than once a month | 283 |
40.5%
|
| 88 | 16 |
2.3%
|
|
| Sysmiss | 1910 |