| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 310 |
18.5%
|
| 2 | This term | 333 |
19.8%
|
| 3 | Last term | 393 |
23.4%
|
| 4 | 2 terms ago | 136 |
8.1%
|
| 5 | 3 terms ago | 72 |
4.3%
|
| 6 | More than a year ago | 434 |
25.9%
|
| Sysmiss | 86 |