| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 390 |
22.5%
|
| 2 | This term | 750 |
43.3%
|
| 3 | Last term | 495 |
28.6%
|
| 4 | 2 terms ago | 57 |
3.3%
|
| 5 | 3 terms ago | 14 |
0.8%
|
| 6 | More than a year ago | 25 |
1.4%
|
| Sysmiss | 7 |