| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 10094 |
98.3%
|
| 2 | Daily | 14 |
0.1%
|
| 3 | Weekly | 15 |
0.1%
|
| 4 | Monthly | 106 |
1%
|
| 5 | Less than monthly | 40 |
0.4%
|
| Sysmiss | 38538 |