| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 898 |
27.8%
|
| 2 | This term | 590 |
18.2%
|
| 3 | Last term | 982 |
30.4%
|
| 4 | 2 terms ago | 765 |
23.6%
|
| Sysmiss | 47 |