| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 706 |
43.4%
|
| 2 | This term | 214 |
13.2%
|
| 3 | Last term | 203 |
12.5%
|
| 4 | 2 terms ago | 96 |
5.9%
|
| 5 | 3 terms ago | 81 |
5%
|
| 6 | More than a year ago | 325 |
20%
|
| Sysmiss | 26 |