| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 2854 |
94.5%
|
| 1 | Once | 97 |
3.2%
|
| 2 | Daily | 2 |
0.1%
|
| 3 | Weekly | 1 |
0%
|
| 4 | Monthly | 11 |
0.4%
|
| 5 | Less often than monthly | 54 |
1.8%
|
| 11 | .D | 5 | |
| Sysmiss | 2199 |