| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1162 |
49.2%
|
| 2 | This term | 570 |
24.1%
|
| 3 | Last term | 131 |
5.5%
|
| 4 | 2 terms ago | 51 |
2.2%
|
| 5 | 3 terms ago | 45 |
1.9%
|
| 6 | More than a year ago | 402 |
17%
|
| Sysmiss | 25 |