| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 390 |
24.5%
|
| 2 | This term | 415 |
26.1%
|
| 3 | Last term | 354 |
22.2%
|
| 4 | 2 terms ago | 118 |
7.4%
|
| 5 | 3 terms ago | 71 |
4.5%
|
| 6 | More than a year ago | 245 |
15.4%
|
| Sysmiss | 33 |