| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 391 |
21.5%
|
| 2 | This term | 768 |
42.2%
|
| 3 | Last term | 549 |
30.2%
|
| 4 | 2 terms ago | 51 |
2.8%
|
| 5 | 3 terms ago | 23 |
1.3%
|
| 6 | More than a year ago | 38 |
2.1%
|
| Sysmiss | 92 |