| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 694 |
28.3%
|
| 2 | This term | 704 |
28.7%
|
| 3 | Last term | 707 |
28.9%
|
| 4 | 2 terms ago | 170 |
6.9%
|
| 5 | More than a year ago | 174 |
7.1%
|
| Sysmiss | 33 |