Value | Category | Cases | |
---|---|---|---|
1 | 1. Per month | 30 |
90.9%
|
2 | 2. Per semester | 0 |
0%
|
3 | 3. Per year | 3 |
9.1%
|
5 | 5. Others | 0 |
0%
|
6 | 6. None | 0 |
0%
|
9 | 9. Missing | 0 |
0%
|
Sysmiss | 306 |