| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 474 |
29.8%
|
| 2 | This term | 232 |
14.6%
|
| 3 | Last term | 314 |
19.7%
|
| 4 | 2 terms ago | 56 |
3.5%
|
| 5 | 3 terms ago | 25 |
1.6%
|
| 6 | More than a year ago | 490 |
30.8%
|
| Sysmiss | 32 |