| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 696 |
40.5%
|
| 2 | This term | 442 |
25.7%
|
| 3 | Last term | 375 |
21.8%
|
| 4 | 2 terms ago | 68 |
4%
|
| 5 | 3 terms ago | 30 |
1.7%
|
| 6 | More than a year ago | 108 |
6.3%
|
| Sysmiss | 46 |