| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 863 |
44.6%
|
| 2 | This term | 513 |
26.5%
|
| 3 | Last term | 300 |
15.5%
|
| 4 | 2 terms ago | 78 |
4%
|
| 5 | 3 terms ago | 41 |
2.1%
|
| 6 | More than a year ago | 140 |
7.2%
|
| Sysmiss | 83 |