| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 752 |
46.2%
|
| 2 | This term | 270 |
16.6%
|
| 3 | Last term | 310 |
19.1%
|
| 4 | 2 terms ago | 43 |
2.6%
|
| 5 | 3 terms ago | 64 |
3.9%
|
| 6 | More than a year ago | 187 |
11.5%
|
| Sysmiss | 42 |