| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 2275 |
41.5%
|
| 2 | This term | 1733 |
31.6%
|
| 3 | Last term | 455 |
8.3%
|
| 4 | 2 terms ago | 205 |
3.7%
|
| 5 | 3 terms ago | 105 |
1.9%
|
| 6 | More than a year ago | 708 |
12.9%
|
| Sysmiss | 343 |