Value | Category | Cases | |
---|---|---|---|
1 | Once in 2 weeks | 40 |
9.3%
|
2 | Once a month | 353 |
82.3%
|
3 | Once in 3 months | 20 |
4.7%
|
4 | Once in 6 months | 16 |
3.7%
|
Sysmiss | 84 |