| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 3095 |
52.4%
|
| 2 | This term | 958 |
16.2%
|
| 3 | Last term | 694 |
11.7%
|
| 4 | 2 terms ago | 275 |
4.7%
|
| 5 | 3 terms ago | 169 |
2.9%
|
| 6 | More than a year ago | 720 |
12.2%
|
| Sysmiss | 134 |