| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1429 |
34.9%
|
| 2 | This term | 1149 |
28.1%
|
| 3 | Last term | 673 |
16.5%
|
| 4 | 2 terms ago | 220 |
5.4%
|
| 5 | 3 terms ago | 129 |
3.2%
|
| 6 | More than a year ago | 490 |
12%
|
| Sysmiss | 106 |