| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, more than monthly | 1 |
0%
|
| 2 | Yes, monthly | 2 |
0.1%
|
| 3 | Yes, several times but less than monthly | 2 |
0.1%
|
| 4 | Yes, once or twice | 9 |
0.4%
|
| 5 | No | 2061 |
96.6%
|
| 88 | 59 |
2.8%
|
|
| Sysmiss | 1 |