| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 492 |
19%
|
| 2 | This term | 611 |
23.6%
|
| 3 | Last term | 652 |
25.2%
|
| 4 | 2 terms ago | 330 |
12.7%
|
| 5 | 3 terms ago | 215 |
8.3%
|
| 6 | More than a year ago | 289 |
11.2%
|
| Sysmiss | 37 |