| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 860 |
45.9%
|
| 2 | This term | 461 |
24.6%
|
| 3 | Last term | 239 |
12.8%
|
| 4 | 2 terms ago | 104 |
5.6%
|
| 5 | 3 terms ago | 52 |
2.8%
|
| 6 | More than a year ago | 156 |
8.3%
|
| Sysmiss | 45 |