| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 3493 |
77.5%
|
| 2 | This term | 539 |
12%
|
| 3 | Last term | 206 |
4.6%
|
| 4 | 2 terms ago | 66 |
1.5%
|
| 5 | 3 terms ago | 12 |
0.3%
|
| 6 | More than a year ago | 190 |
4.2%
|
| Sysmiss | 37 |