| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 679 |
41.2%
|
| 2 | This term | 371 |
22.5%
|
| 3 | Last term | 358 |
21.7%
|
| 4 | 2 terms ago | 111 |
6.7%
|
| 5 | 3 terms ago | 52 |
3.2%
|
| 6 | More than a year ago | 76 |
4.6%
|
| Sysmiss | 33 |