| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 157 |
10.5%
|
| 2 | Weekly | 11 |
0.7%
|
| 3 | Monthly | 1 |
0.1%
|
| 4 | Once or twice | 3 |
0.2%
|
| 5 | Never | 10 |
0.7%
|
| Sysmiss | 1316 |
87.9%
|