| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 4664 |
30.7%
|
| 2 | This term | 3024 |
19.9%
|
| 3 | Last term | 3544 |
23.3%
|
| 4 | 2 terms ago | 594 |
3.9%
|
| 5 | 3 terms ago | 2169 |
14.3%
|
| 6 | More than a year ago | 1204 |
7.9%
|
| Sysmiss | 1639 |