| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 620 |
46.1%
|
| 2 | This term | 237 |
17.6%
|
| 3 | Last term | 174 |
12.9%
|
| 4 | 2 terms ago | 62 |
4.6%
|
| 5 | 3 terms ago | 43 |
3.2%
|
| 6 | More than a year ago | 210 |
15.6%
|
| Sysmiss | 2 |