| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 820 |
38.8%
|
| 2 | This term | 749 |
35.4%
|
| 3 | Last term | 119 |
5.6%
|
| 4 | 2 terms ago | 46 |
2.2%
|
| 5 | 3 terms ago | 21 |
1%
|
| 6 | More than a year ago | 360 |
17%
|
| Sysmiss | 18 |