Value | Category | Cases | |
---|---|---|---|
1 | 1. Per month | 21 |
63.6%
|
2 | 2. Per semester | 5 |
15.2%
|
3 | 3. Per year | 6 |
18.2%
|
5 | 5. Others | 1 |
3%
|
6 | 6. None | 0 |
0%
|
9 | 9. Missing | 0 |
0%
|
Sysmiss | 306 |