| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 398 |
33.2%
|
| 2 | This term | 125 |
10.4%
|
| 3 | Last term | 365 |
30.5%
|
| 4 | 2 terms ago | 183 |
15.3%
|
| 5 | 3 terms ago | 24 |
2%
|
| 6 | More than a year ago | 102 |
8.5%
|
| Sysmiss | 37 |