| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 430 |
24.1%
|
| 2 | This term | 479 |
26.8%
|
| 3 | Last term | 286 |
16%
|
| 4 | 2 terms ago | 87 |
4.9%
|
| 5 | 3 terms ago | 63 |
3.5%
|
| 6 | More than a year ago | 440 |
24.6%
|
| Sysmiss | 46 |