| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 417 |
23.2%
|
| 2 | This term | 398 |
22.1%
|
| 3 | Last term | 288 |
16%
|
| 4 | 2 terms ago | 221 |
12.3%
|
| 5 | 3 terms ago | 104 |
5.8%
|
| 6 | More than a year ago | 371 |
20.6%
|
| Sysmiss | 2 |