Value | Category | Cases | |
---|---|---|---|
1 | About once per year | 144 |
16.4%
|
2 | About twice per year | 372 |
42.3%
|
3 | About three times per year | 81 |
9.2%
|
4 | About once per term | 282 |
32.1%
|
Sysmiss | 403 |