| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 748 |
35.2%
|
| 2 | This term | 278 |
13.1%
|
| 3 | Last term | 347 |
16.3%
|
| 4 | 2 terms ago | 149 |
7%
|
| 5 | 3 terms ago | 66 |
3.1%
|
| 6 | More than a year ago | 538 |
25.3%
|
| Sysmiss | 10 |