| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1118 |
35.5%
|
| 2 | This term | 747 |
23.7%
|
| 3 | Last term | 720 |
22.9%
|
| 4 | 2 terms ago | 224 |
7.1%
|
| 5 | 3 terms ago | 96 |
3%
|
| 6 | More than a year ago | 245 |
7.8%
|
| Sysmiss | 64 |