| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 679 |
31.4%
|
| 2 | This term | 227 |
10.5%
|
| 3 | Last term | 268 |
12.4%
|
| 4 | 2 terms ago | 74 |
3.4%
|
| 5 | 3 terms ago | 140 |
6.5%
|
| 6 | More than a year ago | 774 |
35.8%
|
| Sysmiss | 43 |