Value | Category | Cases | |
---|---|---|---|
1 | 1. Per month | 35 |
47.9%
|
2 | 2. Per semester | 7 |
9.6%
|
3 | 3. Per year | 29 |
39.7%
|
5 | 5. Others | 2 |
2.7%
|
6 | 6. None | 0 |
0%
|
9 | 9. Missing | 0 |
0%
|
Sysmiss | 159 |