Value | Category | Cases | |
---|---|---|---|
1 | Never | 387 |
40%
|
2 | This semester | 127 |
13.1%
|
3 | Last semester | 85 |
8.8%
|
4 | 2 semesters ago | 73 |
7.5%
|
5 | 3 semesters ago | 71 |
7.3%
|
6 | More than a year ago | 225 |
23.2%
|
Sysmiss | 3 |