| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 824 |
38.6%
|
| 2 | This term | 398 |
18.7%
|
| 3 | Last term | 289 |
13.5%
|
| 4 | 2 terms ago | 137 |
6.4%
|
| 5 | 3 terms ago | 128 |
6%
|
| 6 | More than a year ago | 358 |
16.8%
|
| Sysmiss | 21 |