| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 815 |
51.2%
|
| 2 | This term | 322 |
20.2%
|
| 3 | Last term | 207 |
13%
|
| 4 | 2 terms ago | 48 |
3%
|
| 5 | 3 terms ago | 36 |
2.3%
|
| 6 | More than a year ago | 163 |
10.2%
|
| Sysmiss | 180 |