| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1106 |
38.9%
|
| 2 | This term | 496 |
17.4%
|
| 3 | Last term | 381 |
13.4%
|
| 4 | 2 terms ago | 207 |
7.3%
|
| 5 | 3 terms ago | 129 |
4.5%
|
| 6 | More than a year ago | 525 |
18.5%
|
| Sysmiss | 87 |