| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1574 |
34.5%
|
| 2 | This term | 1060 |
23.2%
|
| 3 | Last term | 691 |
15.1%
|
| 4 | 2 terms ago | 267 |
5.8%
|
| 5 | 3 terms ago | 123 |
2.7%
|
| 6 | More than a year ago | 852 |
18.7%
|
| Sysmiss | 72 |