| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 472 |
32.8%
|
| 2 | This term | 481 |
33.5%
|
| 3 | Last term | 277 |
19.3%
|
| 4 | 2 terms ago | 63 |
4.4%
|
| 5 | 3 terms ago | 49 |
3.4%
|
| 6 | More than a year ago | 95 |
6.6%
|
| Sysmiss | 66 |