| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 658 |
37.5%
|
| 2 | This term | 251 |
14.3%
|
| 3 | Last term | 414 |
23.6%
|
| 4 | 2 terms ago | 120 |
6.8%
|
| 5 | 3 terms ago | 70 |
4%
|
| 6 | More than a year ago | 241 |
13.7%
|
| Sysmiss | 100 |