| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 880 |
26%
|
| 2 | This term | 841 |
24.8%
|
| 3 | Last term | 864 |
25.5%
|
| 4 | 2 terms ago | 104 |
3.1%
|
| 5 | 3 terms ago | 77 |
2.3%
|
| 6 | More than a year ago | 620 |
18.3%
|
| Sysmiss | 146 |