| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1158 |
23.4%
|
| 2 | This term | 805 |
16.3%
|
| 3 | Last term | 1546 |
31.3%
|
| 4 | 2 terms ago | 397 |
8%
|
| 5 | 3 terms ago | 178 |
3.6%
|
| 6 | More than a year ago | 859 |
17.4%
|
| Sysmiss | 20 |