| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 658 |
31.5%
|
| 2 | This term | 674 |
32.3%
|
| 3 | Last term | 426 |
20.4%
|
| 4 | 2 terms ago | 87 |
4.2%
|
| 5 | 3 terms ago | 61 |
2.9%
|
| 6 | More than a year ago | 182 |
8.7%
|
| Sysmiss | 44 |