| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 314 |
20.4%
|
| 2 | This term | 558 |
36.3%
|
| 3 | Last term | 547 |
35.5%
|
| 4 | 2 terms ago | 73 |
4.7%
|
| 5 | 3 terms ago | 22 |
1.4%
|
| 6 | More than a year ago | 25 |
1.6%
|
| Sysmiss | 17 |