| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 299 |
20.5%
|
| 2 | This term | 187 |
12.8%
|
| 3 | Last term | 446 |
30.5%
|
| 4 | 2 terms ago | 203 |
13.9%
|
| 5 | 3 terms ago | 99 |
6.8%
|
| 6 | More than a year ago | 227 |
15.5%
|
| Sysmiss | 47 |