| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 710 |
42.7%
|
| 2 | This term | 310 |
18.6%
|
| 3 | Last term | 368 |
22.1%
|
| 4 | 2 terms ago | 26 |
1.6%
|
| 5 | 3 terms ago | 54 |
3.2%
|
| 6 | More than a year ago | 195 |
11.7%
|
| Sysmiss | 22 |