| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 968 |
44.8%
|
| 2 | This term | 391 |
18.1%
|
| 3 | Last term | 351 |
16.3%
|
| 4 | 2 terms ago | 95 |
4.4%
|
| 5 | 3 terms ago | 70 |
3.2%
|
| 6 | More than a year ago | 284 |
13.2%
|
| Sysmiss | 16 |