| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1038 |
31.1%
|
| 2 | This term | 733 |
22%
|
| 3 | Last term | 635 |
19%
|
| 4 | 2 terms ago | 237 |
7.1%
|
| 5 | 3 terms ago | 153 |
4.6%
|
| 6 | More than a year ago | 540 |
16.2%
|
| Sysmiss | 92 |