| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 310 |
16%
|
| 2 | This term | 556 |
28.7%
|
| 3 | Last term | 322 |
16.6%
|
| 4 | 2 terms ago | 116 |
6%
|
| 5 | 3 terms ago | 94 |
4.8%
|
| 6 | More than a year ago | 542 |
27.9%
|
| Sysmiss | 53 |