| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1227 |
52%
|
| 2 | This term | 360 |
15.3%
|
| 3 | Last term | 330 |
14%
|
| 4 | 2 terms ago | 110 |
4.7%
|
| 5 | 3 terms ago | 73 |
3.1%
|
| 6 | More than a year ago | 258 |
10.9%
|
| Sysmiss | 57 |