| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 7512 |
88.6%
|
| 2 | Daily | 20 |
0.2%
|
| 3 | Weekly | 133 |
1.6%
|
| 4 | Monthly | 586 |
6.9%
|
| 5 | Less often than monthly | 228 |
2.7%
|
| Sysmiss | 92 |