| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 554 |
39.7%
|
| 2 | This term | 418 |
30%
|
| 3 | Last term | 178 |
12.8%
|
| 4 | 2 terms ago | 41 |
2.9%
|
| 5 | 3 terms ago | 9 |
0.6%
|
| 6 | More than a year ago | 195 |
14%
|
| Sysmiss | 56 |