| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 382 |
20.4%
|
| 2 | This term | 836 |
44.5%
|
| 3 | Last term | 503 |
26.8%
|
| 4 | 2 terms ago | 94 |
5%
|
| 5 | 3 terms ago | 26 |
1.4%
|
| 6 | More than a year ago | 36 |
1.9%
|
| Sysmiss | 11 |