| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1030 |
39.5%
|
| 2 | This term | 395 |
15.1%
|
| 3 | Last term | 234 |
9%
|
| 4 | 2 terms ago | 155 |
5.9%
|
| 5 | 3 terms ago | 108 |
4.1%
|
| 6 | More than a year ago | 686 |
26.3%
|
| Sysmiss | 84 |