| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 4226 |
40.4%
|
| 2 | This term | 2006 |
19.2%
|
| 3 | Last term | 1878 |
17.9%
|
| 4 | 2 terms ago | 755 |
7.2%
|
| 5 | 3 terms ago | 427 |
4.1%
|
| 6 | More than a year ago | 1175 |
11.2%
|
| Sysmiss | 366 |