| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 5700 |
48.8%
|
| 2 | This term | 2769 |
23.7%
|
| 3 | Last term | 1502 |
12.9%
|
| 4 | 2 terms ago | 427 |
3.7%
|
| 5 | 3 terms ago | 490 |
4.2%
|
| 6 | More than a year ago | 786 |
6.7%
|
| Sysmiss | 94 |