| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 564 |
33.2%
|
| 2 | This term | 273 |
16%
|
| 3 | Last term | 411 |
24.2%
|
| 4 | 2 terms ago | 110 |
6.5%
|
| 5 | 3 terms ago | 92 |
5.4%
|
| 6 | More than a year ago | 251 |
14.8%
|
| Sysmiss | 41 |