| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 400 |
20.6%
|
| 2 | This term | 802 |
41.2%
|
| 3 | Last term | 613 |
31.5%
|
| 4 | 2 terms ago | 62 |
3.2%
|
| 5 | 3 terms ago | 24 |
1.2%
|
| 6 | More than a year ago | 45 |
2.3%
|
| Sysmiss | 21 |