| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 334 |
22.9%
|
| 2 | This term | 320 |
21.9%
|
| 3 | Last term | 382 |
26.2%
|
| 4 | 2 terms ago | 130 |
8.9%
|
| 5 | 3 terms ago | 77 |
5.3%
|
| 6 | More than a year ago | 216 |
14.8%
|
| Sysmiss | 52 |