| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 276 |
14%
|
| 2 | This term | 917 |
46.4%
|
| 3 | Last term | 664 |
33.6%
|
| 4 | 2 terms ago | 60 |
3%
|
| 5 | 3 terms ago | 18 |
0.9%
|
| 6 | More than a year ago | 43 |
2.2%
|
| Sysmiss | 53 |